• 
• Anne Bancroft
• Stephanie Abrahams
  

• 
• Max Von Sydow
• Dr. Alfred Feldman
  

• 
• Ron Randell
• Dr. Alfred Feldman
  

• 
• Christine Rose
• Stephanie Abrahams
  

• 
• Tom Kempinski
• Writer
  

• 
• William Friedkin
• Director
  

• 
• John Lee Beatty
• Scenic Design
  

• 
• Jane Greenwood
• Costume Design
  

• 
• Dennis Parichy
• Lighting Design
  

• 
• Thomas Morse
• Sound Design
  

• 
• John D. Quaglia
• Hair Design
  

• 
• Charles Blackwell
• Production Stage Manager
  

• 
• Cathy B. Blaser
• Stage Manager
  

• 
• Arthur P. Siccardi
• Technical Director
  

• 
• Marilyn Szatmary
• Casting Director
  

• 
• Jose Véga
• General Manager
  

• 
• Bill Evans & Associates
• General Press Representative
  

• 
• Serino, Coyne & Nappi
• Advertising
  

• 
• Emanuel Azenberg
• Producer
  

• 
• Ray Cooney
• Producer
  

• 
• Wayne M. Rogers
• Producer
  

• 
• Ron Dante
• Producer
  

• 
• Tommy Valando
• Producer
  

• 
• Warner Theatre Productions, Inc. (Claire Nichtern: President)
• Producer
  

• 
• Bush Theatre
• Originally Produced by Ray Cooney, Ian Albery & J.F.H. Jay at