• 
• Albert Finney
• Martin
  

Replacement

• 
• Peter Bull
• Tetzel
  

• 
• John Moffatt
• Cajetan
  

• 
• Glyn Owen
• Knight
  

• 
• Frank Shelley
• Staupitz
  

• 
• Kenneth Warren
• Hans
  

• 
• Thor Arngrim
• Monks, lords, peasants, etc.
  

• 
• Robert Burr
• Miltitz
  

• 
• Harry Carlson
• Monks, lords, peasants, etc.
  

• 
• Stan Dworkin
• Monks, lords, peasants, etc.
  

• 
• Michael Egan
• Leo
  

• 
• Paul Flores
• Singer
  

• 
• Dan Goggin
• Singer
  

• 
• Perry Golkin
• Child
  

• 
• Roger Hamilton
• Monks, lords, peasants, etc.
  

• 
• John Heffernan
• Weinand
  

• 
• Robert L. Hultman
• Singer
  

• 
• Joseph Lamberta
• Child
  

• 
• Lorna Lewis
• Katherine
  

• 
• Konrad Matthaei
• Monks, lords, peasants, etc.
  

• 
• Martin Rudy
• Eck
  

• 
• Alfred Sandor
• Monks, lords, peasants, etc.
  Reader
  

• 
• Marvin Solley
• Singer - Soloist
  

• 
• Ted Thurston
• Prior
  

• 
• Luis Van Rooten
• Lucas
  

• 
• Thor Arngrim
• Miltitz
  

• 
• Robert Burr
• Knight
  

• 
• Harry Carlson
• Lucas
  Weinand
  

• 
• Stan Dworkin
• Eck
  Hans
  

• 
• Roger Hamilton
• Leo
  Prior
  

• 
• John Heffernan
• Martin
  

Replacement

• 
• Barbara Lester
• Katherine
  

• 
• Konrad Matthaei
• Staupitz
  

• 
• Alfred Sandor
• Tetzel
  

• 
• Max Walmer
• Choral Director
  

• 
• John Osborne
• Writer
  

• 
• John Addison
• Music composed and arranged
  

• 
• Max Walmer
• "De Profundis" composed
  

• 
• Tony Richardson
• Director
  

• 
• Jocelyn Herbert
• Scenic Design
  Costume Design
  

• 
• Thea Neu
• Production Supervisor
  

• 
• Jocelyn Tawse
• Production Assistant
  

• 
• Mitchell Erickson
• Production Stage Manager
  Press Representative
  

• 
• B. Lester
• Stage Manager
  

• 
• Jack Schlissel
• General Manager
  

• 
• Eugene V. Wolsk
• Company Manager
  

• 
• Lee Solters
• General Press Representative
  

• 
• Harvey B. Sabinson
• General Press Representative
  

• 
• David Powers
• General Press Representative
  

• 
• The Blaine Thompson Agency
• Advertising
  

• 
• Fred Golden
• Advertising
  

• 
• David Merrick
• Producer
  

• 
• The English Stage Company
• Produced by Arrangement with
  

• 
• Oscar Lewenstein
• Produced In Arrangement With
  

• 
• Neil C. Hartley
• Associate Producer