The Big Bang Theory Cast's Best Post-Big Bang Roles (2024)

The Big Bang Theory has only been off the air for four years thus far, but after 12 seasons it’s hard to imagine the cast as anything other than the beloved characters they played for over a decade. While some actors have chosen to take it easy in the years since BBT ended, others have gone full-speed ahead into roles that are wildly different from the characters we know them as.

Across film and television, here are the Big Bang Theory cast’s best post-Big Bang roles.

Johnny Galecki – The Conners

Johnny Galecki hasn’t done much since The Big Bang Theory ended, but having a child a few months before a global pandemic changes the world as we know it is as good an excuse as any. However, you can still find him playing David Healy every once in a while in the Roseanne spinoff The Conners. Aside from playing Leonard in The Big Bang Theory, Galecki is most known for playing David in both the original Roseanne and the series’ revival. Because of Galecki’s desire to step back from acting post-BBT, David has been written as an absentee father on The Conners, having separated from his wife, Darlene, to help the poor. David hasn’t become a total asshole or anything, but it’s certainly an interesting character dynamic to play when Galecki does make an appearance on the show.

Kaley Cuoco – The Flight Attendant

It’s hard to choose just one of Kaley Cuoco’s post-Big Bang Theory roles to highlight. From starring alongside Pete Davidson in the rom-com Meet Cute to voicing Harley Quinn in her own animated series, Cuoco has really done a great job choosing roles that let her explore her acting range. But if I have to choose, and for the sake of this article I do, I’m going to go with The Flight Attendant.

In The Flight Attendant, Cuoco plays Cassie Bowden, the titular flight attendant who becomes caught up in an international murder plot after getting blackout drunk during a layover and waking up next to a dead body. Cassie is far from a professional detective, but nevertheless she is determined to find out what really happened that night and clear her name, even if doing so forces her to finally deal with decades of family trauma including alcoholism and the death of her father. It’s easy to get frustrated with a character like Cassie when you’re forced to watch them continue to self-sabotage and ignore everyone that’s trying to help them, but Cuoco does such a great job of grounding Cassie and plays her with such a deep empathy for what the character is going through that it makes it easy to stick around for her journey. Both of Cuoco’s Emmy noms for this role are well-deserved, and once you’ve seen The Flight Attendant, it’s easy to see why.

Jim Parsons – The Boys in the Band

In the years after The Big Bang Theory, it’s been refreshing to see Jim Parsons take on queer roles in projects like Spoiler Alert rather than be pigeonholed into playing straight roles for the rest of his career. Things have changed a lot in regards to LGBTQ+ representation on screen in the years since BBT began, and it’s great that Parsons and other queer actors don’t have to worry about being shunned from roles because they’re publicly themselves.

Parsons’ best role thus far is the 2020 film adaptation of the musical The Boys in the Band, in which he plays the lead role Michael. Set in 1968, The Boys in the Band is about the struggles of being openly gay during this time period and how the different characters deal with their identity. Michael is hosting a birthday party for his friend Harold, but of course this can’t just be a normal party. Michael’s straight college friend Alan happens to be in town and is dying to tell Michael something privately, so of course Michael invites him to the party. His performance in The Boys in the Band cements Parsons as a double-threat actor/singer and as a queer icon.

Simon Helberg – Poker Face

Standing out in a series full of guest stars like Joseph Gordon-Levitt, Adrian Brody, and Ron Perlman is no easy feat, and yet Simon Helberg manages to hold his own as one of Poker Face’s few recurring characters. Helberg plays the FBI agent Luca, who Natasha Lyonne’s Charlie Cale first meets while hiding out at a retirement home. He doesn’t appear much in the series, but becomes one of Cale’s few allies when she’s framed for the murder of mob boss Sterling Frost Sr. Cale isn’t one to trust “the man,” but Helberg makes it easier to believe that Luca truly wants to help her and isn’t looking to screw her over like so many of the other people she comes across while on the run.

Kunal Nayyar – Criminal: UK

After watching an actor play a specific type of character for over a decade, it’s always interesting to see them play characters that are wildly different. Kunal Nayyar is most known for playing Raj Koothrappali on The Big Bang Theory, but his best role since then couldn’t be more different from the shy scientist we know and love. In Criminal: UK, Nayyar plays Sandeep Singh, a wealthy businessman convicted of murdering a woman who refused to invest in his business. After some time in prison, he wants to cut a deal in exchange for revealing the location of another person he killed. Even though Nayyar only appears in one episode of the series’ second season, he really commands the screen as Sandeep. Nayyar’s performance is chilling and worth checking out in this procedural drama.

Mayim Bialik – Call Me Kat

In addition to becoming the co-host of Jeopardy!, which is a really, really cool post-BBT career move, Mayim Bialik has starred in the FOX sitcom Call Me Kat. In Call Me Kat, Bialik plays the titular character who leaves her job as a college professor to open a cat cafe. While she finds a lot more fulfillment from this career venture, Kat still struggles with the loneliness she feels as a 39-year old single woman. Just like with Amy Farrah Fowler, Bialik brings an easy relatability to Kat that makes the series fun to watch. There are also plenty of adorable kitty co-stars to help sweeten the deal.

Melissa Rauch – Night Court (2023)

Like the other women of BBT, Kaley Cuoco and Mayim Bialik, Melissa Rauch has also gone on to lead her own series post-BBT. In NBC’s revival of Night Court, Rauch plays Judge Abby Stone, the daughter of the original series’ Judge Harry T. Stone. Taking after her father, Abby has become a night shift judge for the Manhattan Criminal Court. It’s hard to fill the shoes of a legacy character, but Rauch does so with grace and humor.

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Tags: CBSComedyDramaThe Big Bang Theory

Brynna Arens (she/her) is a freelance writer who studies movies, TV, and pop culture through an intersectional feminist lens. She'll watch almost anything tbh, but it's…