John Galecki as Leonard Hofstadter – Then
Leonard is an original cast member, appearing on the show since the airing of the pilot. His character is the best friend and roommate of fellow star, Sheldon Cooper. His neighbor across the hall, the beautiful and cool Penny, captures Leonard’s heart from the beginning of the show, with the two finally marrying during the ninth season after years of on-off dating.
John Galecki as Leonard Hofstadter – Now
In real life, John was involved in many projects before he landed a starring role on The Big Bang Theory. However, none of them exploded in the same way as Leonard did. Audiences could not get enough. The character has won John many awards, including an Emmy for the leading role in a comedy television series. When season eight was in the works, John renegotiated his salary from $350,000 per episode, to nearly $1 million.
Johnny Galecki and Kaley Cuoco
Did you knowJohnny Galecki dated two of his cast mates: between 1992 and 1993 Sara Gilbert (“Leslie Winkle”). And between 2007 and 2009 Kaley Cuoco, but they kept their relationship secret…
Sara Gilbert as Leslie Winkle – Then
Leslie works alongside Leonard at Caltech and she, too, works in experimental physics. This character is basically the female Leonard. He plucks up the courage to ask his co-worker on a date during the first season, however, Leslie eventually ends up having a relationship with Howard instead, for a short period. Leslie is known to have an ongoing feud with Sheldon throughout the series.
Sara Gilbert as Leslie Winkle – Now
Sara Gilbert is now 42 years old in real life. Outside of The Big Bang Theory, Sara first became well known in the acting world, for her role on the well-known show Roseanne, playing the character Darlene Conner. It has recently been announced that Sara will be bringing the character back to life, as well as taking on the role of executive producer for the show when the season is brought back to life again next year.
Sara Gilbert and Linda Perry
Big Bang Theory and former Roseanne star Sara Gilbert got married to songwriter and former 4 Non-Blondes singer Linda Perry. Gilbert and Perry met in 2011 and got engaged in April 2014. The actress has two children, Levi and Sawyer, from a previous relationship with producer and writer Allison Adler. Perry’s 4 Non-Blondes had a huge hit with What’s Up, written by Perry, from the band’s 1992 debut album, Bigger, Better, Faster, More. She also wrote tracks for Christina Aguilera.
Alessandra Torresani as Claire – Then
Claire is the cute bartender, that meets Howard and Raj at Stuart’s store. She asks Raj to help write her sci-fi movie she is working on for children. Raj thinks there is chemistry between them, but Claire doesn’t share the same feelings. She is shocked by the fact that Raj split with his Emily to pursue a relationship but then later calls him to ask him out. Claire dates Raj at the same time as Emily, but Raj ends up breaking up with them both.
Alessandra Torresani as Claire – Now
This beautiful 30 year old actress has had a few exciting roles before getting the part of The Big Bang Theory. Some of these include characters on Two and a Half Men, American Horror Story, and Husbands. It doesn’t seem that Alessandra will be making a return as Claire to the show, but she has just finished her role in the movie Step Sisters where she plays a character named Amber.
Alessandra Torresani and Sturgis Adams
Torresani has hinted her romantic relationship with her musician-boyfriend Sturgis Adams through the social networking sites. However, the couple has not yet revealed the nature of their relationship. From this picture, fans are wondering whether they really got married.
Sara Rue as as Stephanie Barnett – Then
During the second season Stephanie makes her debut as a surgical resident and doctor at the hospital Howard must visit. He begins to flirt with her, and offers to let her drive the Mars Rover he is looking after! Stephanie ends up falling for Leonard, to which Howard is very upset and angry. They become a couple with Stephanie practically moving in with Leonard and Sheldon until Leonard decides to break up with her by sending her a text.
Sara Rue as Stephanie Barnett – Now
Since she left the show, Sara has been cast in many minor roles for different TV series. Some of these include Brenda in the show Rules of Engagement, Kim Sallinger in Malibu Country, and Candice for the show Mom. While they haven’t been breakthrough, at 38 years old Sara is set next be seen playing the role of the librarian in A Series of Unfortunate Events when it premieres on Netflix at the beginning of next year.
Sara Rue and Kevin Price
Sara Rue played the role of Dr. Stephanie Barnett who is Leonard’s girlfriend for a brief period of time before Leonard ends it because the relationship is moving too fast. Sara Rue married her longtime Kevin Price, who is a teacher, in 2011. Unlike many other relationships in Hollywood, this one has lasted and the couple have two daughters together, Talulah who is their biological child and Adelaide who the couple adopted.
Simon Helberg as Howard Wolowitz – Then
Howard works as an aerospace engineer at Caltech that even managed to go to space. On the show, he is still under the reign of his mother who loves to treat him as her baby boy, even though he is more than grown up and has even made many achievements in science. Penny introduces him to Bernadette in the third season, a fellow waitress at The Cheesecake Factory. Bernadette and Howard tie the knot in the fifth season and go on to have Hallie, their daughter.
Simon Helberg as Howard Wolowitz – Now
His character has been on the show since the very beginning, even appearing in episodes while Howard was in space. Since the success of the show, Simon has been involved in the movie Florence Foster Jenkins, working alongside big tim actors such as Hugh Grant and Meryl Streep, as well as voicing Bian Zao throughout the Kung Fu Panda television series. Unfortunately for Simon, he takes home less than some of his co-stars as he is making $750,000 for each of his episodes for The Big Bang Theory.
Simon Helberg and Jocelyn Towne
Simon Helberg plays the geeky aerospace engineer and ex-astronaut who is married to the adorable Bernadette. In real life, Simon has been married to Jocelyn Towne since 2007. Jocelyn is an actress as well and has played smaller roles in film and TV since 2000. She also worked as a producer for the film We’ll Never Have Paris, which starred her very own husband as the lead. The couple have two children together, a 5-year-old daughter named Adeline and a 3-year-old son named Wilder.
Kunal Nayyar as Rajesh Koothrappali – Then
Another member of the brainy gang is Raj, the astrophysicist who is introduced as the best friend of Howard in the beginning episode. He is usually seen hanging out with everyone at the apartment throughout the show. The cat always got his tongue at the beginning of the show as his anxiety in social situations meant he was unable to talk to a woman. Nonetheless, as we watched his progress, he was able to face his fears and go on to date many women, including being part of a love triangle at one point. His character is extremely lovable.
Kunal Nayyar as Rajesh Koothrappali – Now
Kunal has been acting for a long time, but it wasn’t until he landed the role as Raj that he was able to make a significant name for himself in the acting world. Since starring on the show, he has acted in the movie Dr. Cabbie where he played the role of Tony, as well as voice Guy Diamond in the movie Trolls. At just 36 years old Kunal is pretty doing well for himself we would say, as he brings in a staggering $750,000 per episode of The Big Bang Theory.
Kunal Nayyar and Neha Kapur
Kunal Nayyar, who plays astrophysicist and nerd Raj, has been married to Neha Kapur since 2011. While his on-screen character may not have had the best luck with the ladies, his real-life romance proves much otherwise! His wife is not only gorgeous, she is also a former beauty queen, who was titled Miss India in 2006, and competed in the Miss Universe pageant later that year. Kunal met his beautiful wife while on a trip in India, where both of them grew up.
Kevin Sussman as Stuart Bloom – Then
The show just wouldn’t be complete without Stuart’s comic book store. The interesting character makes his first appearance during season two as the clan begin to make regular visits to his shop. Stuart is known for being alone and feeling lonely, but manages to make a strong bro bond with Raj when Howard is in space. Even though he’s their friend, Stuart is often left feeling like he doesn’t belong in the group and constantly looks for reassurance from them . Stuart also regularly has financial issues and struggles with his emotions. He is a character you just can’t help but feel sorry for.
Kevin Sussman as Stuart Bloom – Now
The Big Bang Theory was just another step to success for Kevin as he has already made a name for himself in Hollywood. One of his most famous roles was his character of Supernerd in the movie A.I. Artificial Intelligence directed by Spielberg during 2001. At 46 years old, Kevin doesn’t have any money worries either (unlike his on-screen character) as he is currently making $50,000 per episode he is featured in.
Stuart Unlucky In Love
Stuart Bloom on “The Big Bang Theory” is constantly unlucky in love, and unfortunately his real life counterpart is not too different, as he’s getting divorced. Apparently Kevin Sussman and Alessandra Young signed off on their divorce in October, asking the court to make them both single. We hope love is around the corner for you Stu!
Margo Harshman as Alex Jensen – Then
Alex makes a debut appearance on the show, landing the job as Sheldon’s assistant. Even though she is a physics doctoral student, Sheldon gives Alex the boring tasks that he doesn’t want to do instead of letting Alex help him with his research. After she is introduced to the other guys, Alex then starts to get feelings for Leonard. Even though Leonard didn’t pick up on the hints, Penny soon spotted what she was doing, so when Alex asked Leonard on a date he said no to the invitation.
Margo Harshman as Alex Jensen – Now
Margo previously played Tawny Dean on the show Even Stevens, alongside Shia LaBeouf’s character, Louis Stevens. After the success of her character on The Big Bang Theory, Margo snapped up other roles including the show Bones where she played Alison Kidman, as well as landing a part in NCIS where she played the character of Delilah Fielding.
Margo Harshman and Chris Marquette
Margo Harshman played the role of Alex Jensen on The Big Bang Theory from 2012 until 2013. Alex was a doctoral student and Sheldon’s assistant. She had a big crush on Leonard, which Penny did not appreciate. Since then Margo has has a recurring role on the television series NCIS. Margo dated actor Chris Marquette in the early 2000s before they ultimately split. Marquette appeared in films such as The Girl Next Door and Fanboys.
Brian Patrick as Kurt – Then
Kurt is introduced to the audience as one of Penny’s ex-boyfriends. She had previously lived with Kurt for a number of years after she had moved from Nebraska to California before they broke things off. Kurt is shown to be the complete opposite to Leonard as he is a tall, muscly beefcake and not very clever; he soon becomes Leonard’s enemy, for good reason, and the two compete for Penny’s love. Penny admits that she doesn’t like Kurt anymore, but it takes a while for her to be able to move on from him.
Brian Patrick Wade as Kurt – Now
Before he got the role as Kurt on The Big Bang Theory, Brian had been involved in other TV shows. Some of these include his role in the sequel movie Bring It On Again where he played Fatneck, as well as a part in The Guardian where he played Mitch Lyons. Following his time on TBBT Brian has landed himself a variety of small roles for shows but his main job is actually as a personal trainer.
Brian Patrick Wade and Jill Wade
Brian Patrick Wade played Penny’s ex-boyfriend Kurt in several of the first episodes of the Big Bang Theory, even stealing Leonard and Sheldon’s pants. Wade has appeared in other shows since then, including NCIS and CSI: Miami. He has been married to his wife, bodybuilder and fitness extraordinaire Jill for over ten years. The two seem to have been made, or at least sculpted, to be with each other.
Eliza Dushku as Angela Page – Then
Angela is the FBI agent who is in charge of doing Howard’s background check before being cleared to join the Equipped Surveillance Satellite Team. Raj only speaks about how he is legally allowed to live in the U.S.; Leonard tries then to perfect the art of flirting with Angela, who then reveals that this would not please her Navy Seal husband, and Sheldon accidentally mentions that Howard had used the Mars Rover to woo a girl but had managed to crash the vehicle. Needless to say, the background checks didn’t go to plan.
Eliza Dushku as Angela Page – Now
Before her appearance on The Big Bang Theory, Eliza was already a recognized name in Hollywood. Some of her most famous roles included her character Missy Pantone for the 90’s cult classic Bring It On, as well as playing Faith in both Buffy the Vampire Slayer, and Angel. Eliza has gone on to land the leading role of Echo in the TV show Dollhouse, as well as playing characters in Bull on CBS, and Banshee on Cinemax.
Eliza Dushku and Peter Palandjian
Eliza had a guest appearance on TBBT as FBI Agent Angela Page who does a background check on Howard. Of course, she is better known for her roles on Buffy the Vampire Slayer and Bring It On. Earlier this year, Eliza got engaged to Peter Palandjian. Peter is a former professional tennis player but now CEO of Intercontinental Real Estate Corp. At 52, her new fiancé is 16 years older than her, but they look lovely together!
Mayim Bialik as Amy Fowler – Then
The character of Amy makes an appearance in the finale of the third season. Her and Sheldon meet on a date after Howard and Raj used an online dating website to find Sheldon’s perfect match. Amy works as a neurobiologist and compliments Sheldon’s personality to perfection. The couple have a brief split during the show, but their relationship is rekindled, and the two eventually get engaged by season ten.
Mayim Bialik as Amy Fowler – Now
The Big Bang Theory wasn’t the first role for Mayim, who has been acting since the age of 12. However, the show is what shot her into the limelight, and it was her first major role to get her noticed. She is also a neuroscientist in real life so playing Amy must have been an easy one for her to prepare for. Mayim is currently acting in season eleven of the show and has signed a contract for the twelfth. However, her appearance comes at a price, Mayim earns half a million smackeroos for each of her episodes. That is one expensive brain.
Mayim Bialik and Michael Stone
Mayim Bialik plays the role of neurobiologist Amy Fowler in the Big Bang Theory. She is also Sheldon’s love interest, having been found by Raj and Howard after secretly putting Sheldon on an online dating service. Bialik was married to Michael Stone, but she divorced him in 2012. The couple have two young boys aged 12 and nine. Stone is, by all accounts, a great father, and even converted to Judaism to Mormonism in order to be with Mayim.
Jim Parsons as Sheldon Cooper – Then
Millions of viewers have grown to love Sheldon’s constant antics that have kept the world entertained since the pilot episode. Audiences could relate to his character, or knew someone just like him. Sheldon works as a theoretical physicist, and since the fifth season has been in a relationship with Amy. In the tenth season, the two officially got engaged after years of questioning Sheldon’s ability to love.
Jim Parsons as Sheldon Cooper – Now
The show was responsible for shooting this actor to stardom, and his role resulted in him becoming a sought-after name in Hollywood. He even expanded his acting, to voice overs too, and was recently the voice of Oh, the adorable alien from the children’s movie Home. At the ripe old age of 44, Jim has already won himself a plethora of awards, as well as being one of the highest paid comedy actors on television; Jim is one of the cast mates that also managed to wing a $900,000 per episode deal. We bet he didn’t anticipate this at the beginning.
Jim Parsons and Todd Spiewak
Jim Parsons, who plays the sweet genius physicist on the show, recently married his long-time graphic designer boyfriend Todd Spiewak. On May 13, the couple had a lavish wedding at the iconic venue Rainbow Room on the 65th floor of Rockefeller Center in New York. Of course, all of their close friends and family were there, including Jim’s cast mates from the show.
Kaley Cuoco as Penny Hofstadter – Then
Penny has been a solid character in the show since the first episode after she walked in as the beautiful blonde neighbor that lived across the hall from Sheldon and Leonard. She was working at The Cheesecake Factory waitressing, while struggling to become an actress, but eventually quit; she now works as a pharmaceutical rep at the same company as Bernadette. Penny and Leonard have had an up and down relationship, to say the very least, but they finally got hitched in the ninth season while on a trip to Las Vegas. The audience could not wait for this moment.
Kaley Cuoco as Penny Hofstadter – Now
Kaley previously rose to stardom on the well loved show 8 Simple Rules where she played Bridget Hennessy. After landing her role on the show, she became the third and final actor that earns $900,000 for every one of her episodes – not a bad! Her paycheck has seen Kaley become a millionaire which has enabled the actress to start a production company of her own. That’s not bad going for someone who is only 31 years old.
Kaley Cuoco and Karl Cook
She famously dated her co-star, and has also had a previous marriage, but since 2016 Kaley has been loved up with her hunky boyfriend, Karl Cook. Karl, who is 27, works as a professional equestrian. The two went public last year with a series of cozy Instagram pictures of the pair spending time at the ranch with Karl’s horses. Kaley, who also has a love for horses, often goes riding with her equestrian hottie. She even recently called him “the one.”