• 
• Derek Jacobi
• Alan Turing
  

• 
• Jenny Agutter
• Pat Green
  

• 
• Richard Clarke
• John Smith
  

• 
• Michael Dolan
• Ron Miller
  

• 
• Michael Gough
• Dillwyn Knox
  

• 
• Rachel Gurney
• Sara Turing
  

• 
• Robert Sean Leonard
• Christopher Morcom
  

• 
• Andreas Manolikakis
• Nikos
  

• 
• Colm Meaney
• Mick Ross
  

• 
• Lucy Martin
• Pat Green
  Sara Turing
  

• 
• Michael David Morrison
• Christopher Morcom
  Nikos
  Ron Miller
  

• 
• Richard Neilson
• Dillwyn Knox
  John Smith
  Mick Ross
  

• 
• David Silber
• Alan Turing
  

• 
• Hugh Whitemore
• Writer
  

• 
• Andrew Hodges
• Based on the book <i>Alan Turing, The Enigma</i>
  

• 
• Clifford Williams
• Director
  

• 
• Liz da Costa
• Scenic Design
  Costume Design
  

• 
• Natasha Katz
• Lighting Design
  

• 
• Peter John Still
• Sound Effects
  

• 
• Susie Cordon
• Production Stage Manager
  

• 
• Laura deBuys
• Stage Manager
  

• 
• Mary-Susan Gregson
• Assistant Stage Manager
  

• 
• Jeremiah Harris Associates
• Technical Supervisor
  

• 
• Hughes / Moss Casting
• Casting
  

• 
• Joseph P. Harris Associates
• General Manager
  

• 
• Steven H. David
• Company Manager
  

• 
• Fred Nathan & Associates
• General Press Representative
  

• 
• Fisher / LeDonne / Wilner
• Advertising
  

• 
• Jerome Minskoff
• Producer
  

• 
• Duncan C. Weldon
• Producer
  

• 
• James M. Nederlander
• Producer
  

• 
• The John F. Kennedy Center for the Performing Arts
• Producer
  

• 
• The American National Theatre and Academy
• Producer
  

• 
• Triumph Theatre Productions, LTD.
• Produced by Arrangement with
  

• 
• Michael Redington
• Produced by Arrangement with