季固定演员 7

1. 

   Johnny Galecki

   Leonard Hofstadter

2. 

   Jim Parsons

   Sheldon Cooper

3. 

   Kaley Cuoco

   Penny

4. 

   Simon Helberg

   Howard Wolowitz

5. 

   Kunal Nayyar

   Rajesh Koothrappali

6. 

   Melissa Rauch

   Bernadette Rostenkowski

7. 

   Mayim Bialik

   Amy Farrah Fowler

客串演员 5

1. 

   Wil Wheaton

   Wil Wheaton

2. 

   Pamela Adlon

   Halley Wolowitz (voice)

3. 

   Bob Newhart

   Arthur Jeffries

4. 

   Cat Hammons

   Nurse

5. Joey Rich

   Man

工作人员 7