The Big Bang Theory is centered on five characters living in Pasadena, California: roommates Leonard Hofstadter and Sheldon Cooper; Penny, a waitress and aspiring actress who lives across the hall; and Leonard and Sheldon's equally geeky and socially awkw

Simon Helberg
Kaley Cuoco
Jim Parsons
Johnny Galecki
Bill Prady
Chuck Lorre
The Big Bang Theory
Kunal Nayyar
Mayim Bialik
Mark Cendrowski
Jeremy Howe
Anthony Del Broccolo
Tara Hernandez
Shannon Timberlake
Adam Faberman
John DeChene
Richard Price
Jamie Hitchcock
Brian W. Armstrong
Rick Puccio
Andy Gordon
Alexandra Barbone
David Pearce
David Goetsch
Eric Kaplan
Steve Holland
Maria Ferrari
Tara Treacy
Todd Morris
Peter Chakos
Robinson Green
Ryan Berdan
Justin Hetzel
Charles Back
Faye Woods
Sylvia Surdu
Linda Cowan
Vikki McCarter
Kristy Cecil
Julie Fleischer
Steven Molaro
Francoise Cherry-Cohen
John Greene
Steven V. Silver
Mary T. Quigley
Nikki Valko
John Shaffner
Ann Shea
Scott L. London
Bob La Masney
Charlie McDaniel
Ken Miller
Bruce Peters
Barenaked Ladies
David Saltzberg
The Big Bang Theory season 12