Cast 50

1. 

   Walter Pidgeon

   Admiral Harriman Nelson

2. 

   Robert Sterling

   Captain Lee Crane

3. 

   Barbara Eden

   Lieutenant Cathy Conners

4. 

   Peter Lorre

   Comm. Lucius Emery

5. 

   Joan Fontaine

   Dr. Susan Hiller

6. 

   Michael Ansara

   Dr. Miguel Alvares

7. 

   Frankie Avalon

   Lieutenant Chip Romano

8. 

   Regis Toomey

   Dr. Jamieson

9. 

   John Litel

   Vice Admiral B.J. Crawford

10. 

    Howard McNear

    Congressman Llewellyn Parker

11. 

    Henry Daniell

    Dr. Zucco

12. 

    Robert Easton

    Sparks

13. 

    Charles Tannen

    CPO Mack Gleason

14. 

    Mark Slade

    Seaman Jimmy 'Red' Smith

15. 

    Del Monroe

    Seaman Kowski

16. 

    Jonathan Gilmore

    Seaman George Young

17. Anthony Monaco

    Cookie

18. 

    Skip Ward

    Crew Member

19. Michael Ford

    Crew Member

20. William Herrin

    Crew Member (Uncredited)

21. Robert Buckingham

    Crew Member (Uncredited)

22. Richard Adams

    Crew Member (Uncredited)

23. 

    Jimmy Murphy

    Crew Member (Uncredited)

24. George Diestel

    Lieutenant Hodges (Uncredited)

25. Larry Gray

    Dr. Newmar (Uncredited)

26. 

    David McLean

    Ned Thompson (Uncredited)

27. Edward Rickard

    Officer (Uncredited)

28. 

    Charles Dierkop

    Seaview Pilot (Uncredited)

29. 

    Kendrick Huxham

    UN Committee Chairman (Uncredited)

30. 

    Art Baker

    UN Commentator (Uncredited)

31. Rodger Terry

    Guard (Uncredited)

32. Brad Brown

    Guard (Uncredited)

33. Raoul Freeman

    Delegate (Uncredited)

34. 

    Al Bain

    Delegate (Uncredited)

35. Harry Baum

    Delegate (Uncredited)

36. Benjie Bancroft

    Delegate (Uncredited)

37. Michael Cirillo

    Delegate (Uncredited)

38. Harry Denny

    Delegate (Uncredited)

39. John Giovanni

    Delegate (Uncredited)

40. Bhupesh Guha

    Delegate (Uncredited)

41. Esther Ying Lee

    Delegate (Uncredited)

42. Robert Locke Lorraine

    Delegate (Uncredited)

43. George Nardelli

    Delegate (Uncredited)

44. Paul Power

    Delegate (Uncredited)

45. Paul Ravel

    Delegate (Uncredited)

46. 

    Scott Seaton

    Delegate (Uncredited)

47. Leslie Sketchley

    Delegate (Uncredited)

48. 

    Ray Spiker

    Delegate (Uncredited)

49. 

    Hal Taggart

    Delegate (Uncredited)

50. Robert Strong

    Delegate (Uncredited)

Crew 28