• 
  John Frankenheimer

  regizor

• 
  Kirk Douglas

  Martin 'Jiggs' Casey
• 
  Ava Gardner

  Eleanor Holbrook
• 
  Burt Lancaster

  James Mattoon Scott
• 
  Fredric March

  Presedintele Jordan Lyman
• 
  John Houseman

  Farley C. Barnswell
• 
  Edmond O'Brien

  Raymond Clark
• 
  Richard Anderson

  Col. Murdock

• 
  Joseph Crehan
• 
  Helen Kleeb

  Esther Townsend
• 
  Leonard Nimoy
• 
  Hugh Marlowe

  Harold McPherson
• 
  Martin Balsam

  Paul Girard
• 
  Whit Bissell

  Sen. Frederick Prentice
• 
  Jack Mullaney

  LTJG Dorsey Grayson

• 
  Malcolm Atterbury

  Horace, the president's physician
• 
  Bart Burns

  Art Corwin
• 
  Stuart Holmes
• 
  Charles Watts

  Stewart Dillard
• 
  George Macready

  Christopher Todd
• 
  Ferris Webster

  Gen. Bernard 'Barney' Rutkowski
• 
  Walter Coy
• 
  Andrew Duggan

  Col. William 'Mutt' Henderson
• 
  Victor Buono

  Bit