Cast 52

1. 

   Paul Newman

   Gen. Leslie R. Groves

2. 

   Dwight Schultz

   J. Robert Oppenheimer

3. 

   Bonnie Bedelia

   Kitty Oppenheimer

4. 

   John Cusack

   Michael Merriman

5. 

   Laura Dern

   Kathleen Robinson

6. Ron Frazier

   Peter de Silva

7. 

   John C. McGinley

   Richard Schoenfield

8. 

   Natasha Richardson

   Jean Tatlock

9. 

   Ron Vawter

   Jamie Latrobe

10. Michael Brockman

    William "Deke" Parsons

11. 

    Del Close

    Dr. Kenneth Whiteside

12. 

    John Considine

    Robert Tuckson

13. 

    Allan Corduner

    Franz Goethe

14. Joe D'Angerio

    Seth Neddermeyer

15. 

    Jon DeVries

    Johnny Mount

16. 

    James Eckhouse

    Robert Harper

17. 

    Todd Field

    Robert Wilson

18. 

    Mary Pat Gleason

    Dora Welsh

19. 

    Clark Gregg

    Douglas Panton

20. 

    Péter Halász

    George Kistiakowsky

21. Gerald Hiken

    Leo Szilard

22. 

    Arthur Holden

    Oakridge Doctor

23. 

    Ed Lauter

    Whitney Ashbridge

24. Donald MacKechnie

    James Tuck

25. 

    Madison Mason

    Boris Pash

26. 

    Krzysztof Pieczyński

    Otto Frisch

27. Don Pugsley

    Bronston

28. 

    Logan Ramsey

    Brehon Somervell

29. 

    Fred Thompson

    Melrose Hayden Barry

30. 

    Jim True-Frost

    Donald Hornig

31. Barry Yourgrau

    Edward Teller

32. Marek Alboszta

    Scientist

33. Steven Baigelman

    Dr. Avenell

34. Frank Benettieri Jr.

    Messenger

35. Roger Cubicciotti

    Frank Oppenheimer

36. Franco Cutietta

    Enrico Fermi

37. 

    Robert Peter Gale

    Dr. Louis Hempelman

38. Wesley Harrison

    Peter Oppenheimer

39. Brent Harrison

    Peter Oppenheimer

40. Tom McFarlane

    Scientist

41. David C. Parnes

    Raincoat Man

42. Allen Poirson

    Harold McDonald

43. David Politzer

    Robert Serber

44. Bill Rubenstein

    Times Reporter

45. 

    Ken Strausbaugh

    Observation Officer

46. Walter Sullivan

    Henry Stimson

47. Brian Wandell

    Dennis Talmudge

48. John Williams

    Mack Stoddard

49. Walker Edmiston

    (voice)

50. 

    Matthew Faison

    (voice)

51. 

    Stan Jones

    (voice)

52. 

    Alan Oppenheimer

    (voice)

Crew 9