Cafeteria Patron
Bachelor Party Attendee
Club Patron
Cleaning Lady
Dale
Announcer
Glen
Waiter
Himself
Katee Sackhoff
Stephen Hawking
Cheryl
Chen
Lonely Larry
Mr. Rostenkowski
Janine Davis
President Siebert
Beverly Hofstadter
Kurt
Stephanie Barnett
Mike Massimino
Alex Jensen
Zack
Mary Cooper
Althea
Dimitri
Dr. Eric Gablehauser
Lucy
Wil Wheaton
Captain Sweatpants
Leslie Winkle
Mrs. Koothrappali
Dr. Koothrappali
Barry Kripke
Priya Koothrappali
Stuart
Mrs. Wolowitz
Amy Farrah Fowler
Bernadette Rostenkowski
Raj Koothrappali
Howard Wolowitz
Penny
Sheldon Cooper
Leonard Hofstadter