• 
  Richard Fleischer

  regizor

• 
  David Duncan

  scenarist
• 
  Harry Kleiner

  scenarist
• 
  Jerome Bixby

  scenarist
• 
  Otto Klement

  scenarist

• 
  Stephen Boyd

  Grant
• 
  Raquel Welch

  Cora
• 
  Edmond O'Brien

  generalul Carter

• 
  Donald Pleasence

  dr. Michaels
• 
  Arthur O'Connell

  colonelul Donald Reid
• 
  William Redfield

  căpitanul Bill Owens
• 
  Christopher Riordan
• 
  James Brolin
• 
  Barry Coe
• 
  Brendon Boone

• 
  Jean Del Val

  Jan Benes
• 
  Brendan Fitzgerald
• 
  Shelby Grant
• 
  Arthur Kennedy

  dr. Duval
• 
  Ken Scott
• 
  James Doohan

  dr. Sawyer
• 
  Kenneth MacDonald

  Henry

• 
  Saul David

  producător
• 
  Ernest Laszlo

  imagine
• 
  William B. Murphy

  montaj
• 
  Leonard Rosenman

  coloană sonoră
• 
  Stuart A. Reiss

  decoruri
• 
  Walter M. Scott

  decoruri