• 
  Richard T. Heffron

  regizor

• 
  Mayo Simon

  scenarist
• 
  George Schenck

  scenarist

• 
  Blythe Danner

  Tracy Ballard
• 
  Peter Fonda

  Chuck Browning
• 
  Arthur Hill

  Dr. Duffy
• 
  Judson Pratt

  barman pe nava spaţială
• 
  Darrell Larson

  Eric

• 
  Dorothy Konrad

  dna. Karnovsky
• 
  Allen Ludden
• 
  Angela Greene

  dna. Reed
• 
  John P. Ryan

  Dr. Schneider
• 
  David Perkins
• 
  Yul Brynner

  Pistolarul
• 
  Ed Geldart

  Frenchy LaPorte

• 
  Alex Rodine
• 
  Cathryn Hartt

  secretară
• 
  Barry Gremillion

  Page
• 
  Ray Holland
• 
  Robert Cornthwaite

  dl. Reed
• 
  Jim Everhart

  Shorty
• 
  Bert Conroy

  dl. Karnovsky
• 
  Andrew Masset
• 
  Charles Krohn

  Arthur Holcombe
• 
  Howard Finch

  Reporter
• 
  Nancy Bell

  Erica
• 
  Mike Scott

  Steven
• 
  Jan Cobler
• 
  Dana Lee
• 
  John Fujioka

  dl. Takaguchi
• 
  Barry Gilmore
• 
  James M. Connor

  robotul Clark
• 
  Stuart Margolin

  Harry
• 
  Nick Dimitri

  Robot Boxer
• 
  Conrad Bachmann
• 
  Nancy Bell

  Erica
• 
  Dorothy Conrad

  Mrs. Karnovski

• 
  James T. Aubrey

  producător
• 
  Paul Lazarus III

  producător
• 
  Gene Polito

  imagine
• 
  Howard Schwartz

  imagine
• 
  Ann McCarthy

  costume
• 
  James Mitchell

  montaj
• 
  Samuel Z. Arkoff

  producător executiv
• 
  Fred Karlin

  coloană sonoră
• 
  Trevor Williams

  design de producţie
• 
  Marvin March

  decoruri
• 
  Dennis W. Peeples

  decoruri