• 
• Jeremy Brett
• Father Riccardo Fontana, S.J.
  

Replacement

• 
• Emlyn Williams
• Pope Pious XII
  

Replacement

• 
• Victor Arnold
• Guard
  Italian Militiaman
  

• 
• Richard Bengal
• Brother Iranaeus
  

• 
• Ion Berger
• Guard
  Italian Militiaman
  

• 
• Idwal Bowen
• Vittorio
  

• 
• Phil Bruns
• S.S. Lt. Kurt Gerstein
  

• 
• Reynolds Evans
• Papal Nuncio in Berlin
  

• 
• Paul Flores
• Guard
  

• 
• Stefan Gierasch
• Jacobson
  

• 
• Roger Hamilton
• Guard
  

• 
• Ben Hammer
• Prisoner
  

• 
• Denise Joyce
• Little Girl
  

• 
• Pepa Kantor
• Woman
  

• 
• Ron Leibman
• Captain Salzer
  

• 
• Jock Livingston
• Sergeant Witzel
  

• 
• Carl Low
• Count Fontana
  

• 
• Gerald McGonagill
• Officer of the Pope's Guard
  Scribe
  

• 
• James Mitchell
• Doctor
  

• 
• Albert M. Ottenheimer
• Prisoner
  

• 
• Guy Repp
• Officer of the Pope's Guard
  Photographer
  

• 
• Fred Stewart
• Cardinal
  

• 
• David Thomas
• Monk
  

• 
• Maria Tucci
• Girl
  

• 
• Ian Wolfe
• Father General
  

• 
• Ion Berger
• Father Riccardo Fontana, S.J.
  

Replacement

• 
• Jock Livingston
• Cardinal
  

• 
• Gerald McGonagill
• Doctor
  S.S. Lt. Kurt Gerstein
  

• 
• Guy Repp
• Count Fontana
  

• 
• David Thomas
• Father General
  Papal Nuncio in Berlin
  Prisoner
  

• 
• Rolf Hochhuth
• Writer
  

• 
• Jerome Rothenberg
• Book Adaptor
  

• 
• Herman Shumlin
• Director
  Producer
  

• 
• Rouben Ter-Arutunian
• Scenic Design
  

• 
• Edith Lutyens
• Costume Design
  

• 
• John Harvey
• Lighting Design
  

• 
• Howard Whitfield
• Stage Manager
  

• 
• David Lipsky
• Press Representative
  

• 
• Lawrence Witchel
• Press Representative
  

• 
• Ted Goldsmith
• Press Representative
  

• 
• Alfred Crown
• Producer
  

• 
• Zvi Kolitz
• Producer