Series Cast 18

1. 

   Stephen Colbert

   Self - Host (138 Episodes)

2. 

   Jim Lovell

   — (2 Episodes)

3. 

   Malcolm Gladwell

   Self (1 Episode)

4. 

   Garry Kasparov

   — (1 Episode)

5. 

   Lynn Swann

   — (1 Episode)

6. 

   John Mellencamp

   — (1 Episode)

7. Donna Shalala

   — (1 Episode)

8. 

   Mike Wallace

   — (1 Episode)

9. 

   Dinesh D'Souza

   — (1 Episode)

10. Ethan Nadelmann

    — (1 Episode)

11. 

    Wesley Clark

    — (1 Episode)

12. 

    Bill O'Reilly

    — (1 Episode)

13. 

    George Saunders

    Self (1 Episode)

14. 

    Lou Dobbs

    Self (1 Episode)

15. Jeri Kehn Thompson

    — (1 Episode)

16. John Grisham

    — (1 Episode)

17. 

    Thomas L. Friedman

    Self (1 Episode)

18. 

    Larry Craig

    Self (uncredited) (1 Episode)

Series Crew 19