• 
  Gordon Douglas

  regizor

• 
  James Coburn

  Derek Flint
• 
  Robert 'Buzz' Henry

  Austin
• 
  Lee J. Cobb

  Lloyd C. Cramden
• 
  Rand Brooks

  Missile Control Officer
• 
  John Daheim

  Zowie Guard in Fabulous Face Gym
• 
  James Sikking

  Secret Service Man
• 
  Richard Bull

  Newscaster

• 
  Hanna Landy

  Helena
• 
  Jean Hale

  Lisa
• 
  Andrew Duggan

  U.S. President Trent
• 
  Diane Bond

  Jan
• 
  Herb Edelman

  Russian Premier
• 
  Totty Ames

  Simone
• 
  Yvonne Craig

  Natasha, the Ballerina

• 
  Thomas Hasson

  Lt. Avery
• 
  Hanna Hertelendy

  Helena (as Hanna Landy)
• 
  Steve Ihnat

  Colonel / Gen. Carter
• 
  Anna Lee

  Elisabeth
• 
  Mary Michael

  Terry
• 
  Jacqueline Ray

  Denise (as Jacki Ray)