Full Cast — Stuart Fails to Save the Universe (2026)

Kevin Sussman

Stuart Bloom / Alternate Stuart Bloom

Lauren Lapkus

Denise / Alternate Denise

Brian Posehn

Bert Kibbler

John Ross Bowie

Barry Kripke

Ryan Cartwright

Kyle

Tommy Walker

Gary

Josh Brener

Trevor

Riki Lindhome

Ramona Nowitzki

André Sogliuzzo

The Adversary

Kunal Nayyar

Rajesh Koothrappali

Kaley Cuoco

Penny

Matty Cardarople

Keith

Doug Simpson

Abramowitz the Grey

Melissa Rauch

Bernadette Rostenkowski

Stacie Greenwell

Nurse Stephanie

Zoe Cipres

Chana

Anthony Alabi

Sergeant / Soldier #2

Mayim Bialik

Amy Farrah Fowler

Charlie Barnett

Simpa

Penn Jillette

Penn Jillette