• 
• Claude Rains
• Rubashov
  

• 
• Kim Hunter
• Luba
  

• 
• Jack Palance
• Gletkin
  

• 
• Geoffrey Barr
• Andre
  

• 
• Henry Beckman
• Pablo
  

• 
• Philip Coolidge
• 402
  

• 
• Robert Crozier
• Hrutsch
  

• 
• Will Kuluva
• Luigi
  

• 
• Daniel Polis
• Albert
  

• 
• Herbert Ratner
• Richard
  

• 
• Allan Rich
• 202
  

• 
• Norman Roland
• Bogrov
  

• 
• Alexander Scourby
• Ivanoff
  

• 
• Richard Seff
• 302
  

• 
• Tony Ancona
• Barkeeper
  

• 
• Maurice Gosfield
• President
  

• 
• Johnson Hayes
• 2nd Storm Trooper
  

• 
• Virginia Howard
• Young Girl
  

• 
• Brian Keith
• Guard
  

• 
• Adams MacDonald
• 1st Storm Trooper
  

• 
• Lois Nettleton
• Secretary
  

• 
• Sidney Kingsley
• Writer
  Director
  Staging
  

• 
• Dan and Dm. Pokras
• "Moscow" composer
  

• 
• Arthur Koestler
• Based on the novel
  

• 
• Frederick Fox
• Scenic Design
  Lighting Design
  

• 
• Kenn Barr
• Costume Design
  

• 
• David Gray, Jr.
• Stage Manager
  

• 
• William McFadden
• Stage Manager
  

• 
• Norman Roland
• Assistant Stage Manager
  

• 
• Warren P. Munsell
• General Manager
  

• 
• Warren P. Munsell, Jr.
• Company Manager
  

• 
• William Fields
• Press Representative
  

• 
• Walter Alford
• Press Representative
  

• 
• Arthur Cantor
• Press Representative
  

• 
• The Playwrights' Company
• Producer
  

• 
• May Kirshner
• Associate Producer