It all started with the large bang! It’s hard to think that it’s to be over a decade since we were first introduced to Leonard Hofstadter and Sheldon Cooper, 2 illustrious physicists v nerdy tendencies, a friend group of various other intelligent dorks, and also a warm blonde mrs neighbor who just moved right into the apartment across the hall. Ten year later, fans are still enamored by Big Bang Theory, which is the key reason behind the series’ massive success.

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As that 2017, the actors is worth over $280 million through Kaley Cuoco — who is newly engaged to she bae Karl cook — taking home a whopping $1 million per episode. And also 32-year-old Kaley isn’t the only cast member raking in the dough. Her co-stars Jim Parsons — who plays Sheldon — and Johnny Galecki — that plays Leonard — also make $1 million an ep. Not only is that a pretty sweet deal however amazingly, the display has the street cred to warrant such high salaries. At the very least in terms of viewership. Through over 12.6 million viewers tuning in for the Season 10 finale the BBT, it was a no-brainer to bring back the show.


“It’s yes, really a severe little of arrested development, I need to tell you,” the 44-year-old actor continued. “I understand there’s a part of my mind that just does not know that ns was 33 and I’m not anymore. This show’s walk to end at some suggest and ns going to be like, ‘I can’t wear this anymore. Ns an old man!"”

Another fascinating component of Big Bang Theory that captivates the audience is that one of their cast members actually has a Ph.D. Mayim Bailik, a 42-year-old mom of two, is actually a neuroscientist in genuine life and also acquired her Ph.D. From UCLA.

“When i auditioned for the part, on mine resume under ‘miscellaneous,’ it says ‘Ph.D., Neuroscience’ since I didn’t recognize where rather to put it on an acting resume,” Mayim said on Conan.


Mayim revealed that her degree sometimes come in super comfortable on-set. In the event that the present writers ever before get minute details wrong, Mayim — many thanks to her comprehensive background in neuroscience — is maybe to reality check and also alert castle if they obtain some that the clinical facts wrong.

“When they carried me back for the 4th season, claimed they figured why no make she what ns am so the I deserve to fix tiny

if castle wrong but generally, they get every little thing right,” she added.

Now that the display has been on for 11 seasons — going on 12 — countless fans need a refresher on the cast list. Keep reading to view the full cast list and also then and now photos of whereby the cast is currently in 2018!

Big Bang Theory cast list

Big Bang Theory stars Kayley Cuoco together Penny, Johnny Galecki as Leonard Hofstadter, Jim Parsons as Sheldon Cooper, Simon Helberg as Howard Wolowitz, and also Kunal Nayyar together Raj Koothrappali. It likewise features Melissa Rauch as Bernadette Rostenkowski and also Mayim Balik — who has a phd in neuroscience in real life! — together Amy Farrah Fowler.


Kaley Cuoco (Penny Hofstadter) in 2007 vs. 2018

Kaley dram Penny, Leonard"s love interest from the moment she moves into the apartment across the room from him. Castle wed in Season 9 then re-marry again in Season 10 and also now live together in Apartment 4A. In 2018, Kaley will certainly star in the TV movie The flight Attendant.


Jim Parsons (Sheldon Cooper) in 2007 vs. 2017

The 44-year-old star portrays Dr. Sheldon Cooper, the YouTuber behind the fictitious hit web collection "Fun with Flags" and a Caltech theoretical physicist who has a B.S., M.S., M.A., Ph.D., Sc.D. Come his name. While starring on Big Bang Jim simultaneously offers voice over for the Big Bang Theory spinoff series, Young Sheldon, i m sorry was arisen as a prequel to his character.

Johnny Galecki (Leonard Hofstadter) in 2007 vs. 2017

Johnny Galeckie dram Leonard Hofstadter, Ph.D., an experimental physicist who offered to live with Sheldon Cooper, and also eventually weds penny on the show. Because taking top top Big Bang, Johnny hasn"t had plenty of other roles. In 2017, he showed up in the horror movie Rings and currently doesn"t have actually anything slated for 2018 other than BBT.

Simon Helberg (Howard Wolowitz) in 2007 vs. 2017

Simon dram Howard Wolowitz, a previous astronaut and current aerospace engineer, who eventually marries Bernadette ~ above the show. From 2011 to 2016, Simon additionally worked voicing the character Bian Zao in the man TV collection Kung Fu Panda: Legends of Awesomeness. His latest task is the 2018 brief film End of the Line.

Kunal Nayyar in (Raj Koothrappali) 2007 vs. 2018

Kunal stars as Raj Koothrappali, a character staple of the show due to the fact that 2007. Dr. Rajesh Koothrappali is one astrophysicist that suffers native a general anxiety disorder dubbed selective mutism. Due to the fact that working top top Big Bang Theory Kunal also voiced the fictional character male Diamond in the fight movie Trolls.

Melissa Rauch in (Bernadette Rostenkowski) 2009 vs. 2017

Melissa join the cast as Dr. Bernadette Rostenkowski Ph.D. Ago in 2009 and also has been a collection staple ever since. She character wed Howard Wolowitz in the Season 5 finale and also when the 37-year-old actress ended up being pregnant in genuine life, Big Bang created her pregnancy right into the series. Melissa has voiced Tizzy in number of episodes the Disney Junior"s Sofia the First and will star in the movie Ode to Joy.

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Mayim Bialik (Amy Farrah Fowler) in 2011 vs. 2018

Amy Farrah Fowler joined Big Bang as a consistent in 2010 together a neurobiologist that Raj found on the internet and chose together a potential girlfriend for Sheldon. By the finish of Season 10, Sheldon proposed come Amy and also it to be revealed in the many recent season, Season 11, that the couple is now engaged. Her next project has recording voice over for The Inspector Chronicles: Untitled Motion snapshot About a room Traveler that Can likewise Travel with Time.