• 
  Richard A. Colla

  regizor

• 
  John Vernon

  Geoffrey Darro
• 
  Robert Foxworth

  Questor
• 
  Lew Ayres

  Vaslovik
• 
  Walter Koenig

  Administrative Assistant
• 
  Majel Barrett

  Dr. Bradley
• 
  Dana Wynter

  Lady Helena Trimble
• 
  James Shigeta

  Dr. Chen

• 
  Mike Farrell

  Jerry Robinson
• 
  Ellen Weston

  Allison Sample
• 
  Ian Abercrombie

  Charlie
• 
  Alan Caillou

  Immigration Offical

• 
  Michael D. Margulies

  imagine
• 
  Gil Melle

  departament sunet
• 
  J. Terry Williams

  montaj

• 
  Richard Belding

  editorial department
• 
  Gene Roddenberry

  producător
• 
  Paul Rapp

  producător
• 
  Albert Whitlock

  visual effects
• 
  Gene L. Coon

  scriitor
• 
  Gene Roddenberry

  scriitor