An empty space in a Texas home: A look back at the legacy of the recently deceased actor Young Sheldon hue01

Kaley Cuoco (Penny)

If anyone can rally the troops for a reunion, it’s the self-appointed Queen of the Nerds, Penny Hofstadter. Like much of the cast, this is the role that made Kaley Cuoco a household name.

“I spent 12 years playing that role, and it really set off my career,” she told EW in 2024. “I owe a lot to that character, to that show, to Chuck Lorre. It was some of the best years of my life, and some of the most fun I’ve ever had… I would absolutely reprise that role. I love that character, and I always will.”

Until that day comes, Cuoco is wasting no time filling out her TV résumé. She’s barely slowed down, most notably earning Emmy and Golden Globe nominations for HBO Max’s thriller The Flight Attendant. She followed that up with the dark comedy Based on a True Story and the miniseries Vanished. The actress also lends her voice to the title role of the adult animated series Harley Quinn.

The comedy veteran, whose career officially launched with 8 Simple Rules and a run on Charmed, has recently starred in such genre-bending rom-coms as Meet Cute (2022) and Role Play (2024).

Cuoco is engaged to actor Tom Pelphrey. They share a daughter, Matilda, and, as of June 2026, have another child on the way.

Simon Helberg (Howard)

Mister Wolowitz may not have a PhD, but Simon Helberg could easily earn a doctorate in comedy. How he managed to be both egotistical and charming in those tight little pants is truly remarkable.

And his talent doesn’t stop with his comedic chops. On various occasions, Helberg entertained audiences with his vocal stylings at the keyboard — and even used that skill in Florence Foster Jenkins (2016), which earned him a Golden Globe nomination for his supporting role alongside Meryl Streep and Hugh Grant.

Even before his star-making turn, the actor was a low-key fixture on the small screen, with years of guest spots on everything from Sabrina the Teenage Witch (2002) to Arrested Development (2005). He later appeared in such cinephile favorites as the Coens’ A Serious Man (2009) and Leos Carax’s musical Annette (2021), opposite Adam Driver and Marion Cotillard.

The comedy vet recently had a recurring gig as an FBI agent on Poker Face before lining up a regular role on AMC’s Silicon Valley drama The Audacity.

Helberg has been married to Jocelyn Towne for almost two decades. They enjoy a quiet, private life together with their daughter, Adeline, and son, Wilder.

Kunal Nayyar (Raj)

One of the many quirks of Raj Koothrappali, aside from his questionable fashion taste, was selective mutism. But despite his signature character being notoriously unable to speak to the ladies without alcohol present, Kunal Nayyar used his vocal cords as a primary source of income both during and after Big Bang’s run. 

He voiced Gupta, the angry badger, in Ice Age: Continental Drift (2012), Vijay in Nickelodeon’s animated Sanjay and Craig, and the glittering Guy Diamond in the Trolls franchise. Nayyar was even featured in the “first listen” of the movie’s hit “Can’t Stop the Feeling” by Justin Timberlake.

Nayyar later landed a BAFTA nomination for the British procedural Criminal: UK, and landed the title role in the big-screen dramedy The Storied Life of A.J. Fikry (2022), based on Gabrielle Zevin’s bestselling novel.

With the financial success of The Big Bang Theory, Nayyar and his wife, Neha Kapur, make a point of paying it forward. He says sharing money has given him “the greatest gift,” allowing him to perform generous acts of kindness for “random” strangers: “That’s my masked vigilante thing!”

Mayim Bialik (Amy)

Mayim Bialik is the only “doctor” in The Big Bang Theory cast with an actual doctorate. Who knew that her PhD in neuroscience from UCLA would lead to Amy Farrah Fowler romancing her way into Dr. Sheldon Cooper’s heart?

The former child star, who rose to ’90s fame on Blossom, made a full-time return to acting in Big Bang’s fourth season after years on the fringes of show business. The couple’s sweet love story over the subsequent eight years even reemerged in the prequel series, Young Sheldon, where Shamy appeared in three episodes leading up to the finale.

After adding author to her list of professional accomplishments, Bialik headlined the quirky sitcom Call Me Kat while splitting hosting duties on Jeopardy!

When announcing the news of her Jeopardy! departure in 2023, the actress said she was “incredibly honored to have been nominated for a primetime Emmy for hosting this year” and “deeply grateful for the opportunity to have been a part of the Jeopardy! family.”

Bialik recently landed on the big screen in Jim Jarmusch’s Golden Lion-winning Father Mother Sister Brother (2025), alongside Adam Driver and Tom Waits.

She and her partner, Jonathan Cohen, created a podcast, Mayim Bialik’s Breakdown, which tackles topics related to mental health. She also has two sons with her ex-husband Michael Stone.

Melissa Rauch (Bernadette)

Hearing Bernadette’s voice transform from sweet baby bird to a gravelly one that could rival Mrs. Wolowitz, it’s obvious why Melissa Rauch has built a successful career in voice work. You can hear her in numerous animated projects from franchises including Marvel, Scooby-Doo, and more.

More recently, Rauch stepped out of the recording booth, picked up a gavel, and settled into a starring role on NBC’s Night Court revival. For three seasons, Rauch offered Big Bang fans mini reunions by hosting Nayyar, Helberg, and Bialik as guests on the show.

“I’d be happy to support anything that Melissa Rauch does,” Bialik told EW in 2024. “The fact that there’s so much overlapping interest here and it’s such a great project for her just made me so excited to be even included in the small part of it.”

Rauch has been married to Winston Beigel since 2007. They have a son and daughter together.