• 
  Marvin J. Chomsky

  regizor

• 
  Leonard Nimoy

  Commander Phil Kettenring
• 
  Sam Elliott

  Ensign William 'Bill' Sandover
• 
  Keenan Wynn

  Orville Kelly
• 
  Malachi Throne

  Dr. Dykers
• 
  William Windom

  Captain Frank Reardon
• 
  Ron Masak

  CPO Corky Schmidt
• 
  Joseph Cotten

  Admiral

• 
  Lloyd Haynes

  Lieutenant Dave Burston
• 
  Lee Stanley

  Lieutenant Manners
• 
  Ivor Barry

  Donald Ellington
• 
  Henry Olek

  Şofer de taxi
• 
  Dewey Martin

  Skip Langley

• 
  Howard Schwartz

  imagine
• 
  Leith Stevens

  departament sunet

• 
  Jennifer L. Parsons

  costume and wardrobe departmen
• 
  Douglas S. Cramer

  production manager
• 
  Charlie Picerni

  cascador
• 
  Jackson Gillis

  scriitor