cast
Series Regulars
Johnny Galecki
as Leonard Hofstadter
Jim Parsons
as Sheldon Cooper
Kaley Cuoco
as Penny
Simon Helberg
as Howard Wolowitz
Kunal Nayyar
as Raj Koothrappali
Melissa Rauch
as Bernadette Rostenkowski
Mayim Bialik
as Amy Farrah Fowler
Recurring & Guests
Kevin Sussman
as Stuart Bloom
John Ross Bowie
as Barry Kripke
Wil Wheaton
as Self
Brian George
as Dr. V.M. Koothrappali
Aarti Mann
as Priya Koothrappali
Laurie Metcalf
as Mary Cooper
Christine Baranski
as Dr. Beverly Hofstadter
Alice Amter
as Mrs. Koothrappali
Sara Gilbert
as Leslie Winkle
Kate Micucci
as Lucy
Casey Sander
as Mike Rostenkowski
Pasha Lychnikoff
as Dimitri
Margo Harshman
as Alex Jensen
Bob Newhart
as Arthur Jeffries
Regina King
as Janine Davis
Pamela Adlon
as Halley Wolowitz
Dean Norris
as Colonel Richard Williams
Sara Rue
as Dr. Stephanie Barnett