Season Regulars 20

1. 

   Sam Waterston

   Robert Oppenheimer

2. 

   John Carson

   Narrator

3. 

   Shane Rimmer

   Ed Condon

4. 

   Alexander Knox

   Henry Stimson

5. 

   Jana Shelden

   Kitty Oppenheimer

6. 

   Phil Brown

   Lewis Strauss

7. 

   Edward Hardwicke

   Enrico Fermi

8. 

   David Suchet

   Edward Teller

9. 

   James Maxwell

   Lloyd Garrison

10. Milton Johns

    George Kistiakowsky

11. 

    Barry Dennen

    Isidor Rabi

12. Bob Sherman

    Ernest Lawrence

13. Matthew Guinness

    Hans Bethe

14. Christopher Malcolm

    Steve Nelson

15. 

    Garrick Hagon

    Frank Oppenheimer

16. 

    David Baxt

    Colonel John Lansdale

17. Peter Banks

    Joseph Volpe

18. Ron Berglas

    John Manley

19. 

    Colin Bennett

    Seth Neddermeyer

20. 

    Christopher Muncke

    Colonel Kenneth Nichols

Guest Stars 0

There are no cast records added to Episode 7.

Crew 0

There are no crew records added to Episode 7.