Cast 52

1. 

   Roddy McDowall

   Cornelius

2. 

   Kim Hunter

   Dr. Zira

3. 

   Bradford Dillman

   Dr. Lewis Dixon

4. 

   Natalie Trundy

   Dr. Stephanie 'Stevie' Branton

5. 

   Eric Braeden

   Dr. Otto Hasslein

6. 

   William Windom

   The President

7. 

   Sal Mineo

   Dr. Milo

8. 

   Albert Salmi

   E-1

9. 

   Jason Evers

   E-2

10. 

    John Randolph

    Committee Chairman

11. 

    Harry Lauter

    General Winthrop

12. 

    M. Emmet Walsh

    Aide

13. 

    Roy Glenn

    Lawyer (as Roy E. Glenn Sr.)

14. 

    Peter Forster

    Cardinal

15. 

    Norman Burton

    Army Officer

16. 

    William Woodson

    Naval Officer

17. 

    Tom Lowell

    Orderly

18. Gene Whittington

    Marine Captain

19. 

    Donald Elson

    Curator

20. Bill Bonds

    TV Newscaster

21. Army Archerd

    Referee

22. 

    James Bacon

    General Faulkner

23. 

    Ricardo Montalban

    Armando

24. 

    John Alderman

    Marine Corporal (uncredited)

25. 

    Alan Baxter

    General (uncredited)

26. 

    Jack Berle

    Secretary of State (uncredited)

27. 

    Paul Bradley

    Official at Briefing (uncredited)

28. Karl Bruck

    German Newscaster (uncredited)

29. 

    Sam Chew Jr.

    Undetermined (uncredited)

30. Robert Cole

    Reporter (uncredited)

31. Walker Edmiston

    Talking Baby Chimp (uncredited) (voice)

32. Sig Frohlich

    Spectator (uncredited)

33. James W. Gavin

    Helicopter Pilot (uncredited)

34. George Golden

    Official at Briefing (uncredited)

35. James Gonzalez

    Official at Briefing (uncredited)

36. Joe Gray

    Bodyguard (uncredited)

37. 

    Bob Harks

    Aide (uncredited)

38. 

    Linda Harrison

    Nova (archive footage) (uncredited)

39. 

    Elizabeth Harrower

    Reporter at Hotel (uncredited)

40. 

    Shep Houghton

    Bystander (uncredited)

41. Joseph La Cava

    Waiter (uncredited)

42. 

    Robert Nichols

    Reporter (uncredited)

43. Ron Pinkard

    Undetermined (uncredited)

44. Janos Prohaska

    Heloise (uncredited)

45. Tony Regan

    Reporter at Hotel (uncredited)

46. Stephen Roberts

    Gen. Brody (uncredited)

47. Hank Robinson

    Reporter (uncredited)

48. 

    James B. Sikking

    Control Room Officer (uncredited)

49. Jack Slate

    Reporter (uncredited)

50. 

    Arthur Tovey

    Official at Briefing (uncredited)

51. 

    William Tregoe

    Hotel Receptionist (uncredited)

52. 

    William Beckley

    British News Anchor (uncredited)

Crew 15