• 
• Larry Blyden
• Sidney
  

Replacement

• 
• Sandy Dennis
• Eva
  

Replacement

• 
• Richard Kiley
• Ronald
  

Replacement

• 
• Geraldine Page
• Marion
  

Replacement

• 
• Tony Roberts
• Geoffrey
  

Replacement

• 
• Carole Shelley
• Jane
  

Replacement

• 
• Wayne Carson
• Geoffrey
  Ronald
  Sidney
  

Replacement

• 
• Marilyn Clark
• Eva
  Jane
  Marion
  

Replacement

• 
• Alan Ayckbourn
• Writer
  

• 
• Eric Thompson
• Director
  

• 
• Edward Burbridge
• Scenic Design
  

• 
• Levino Verna
• Costume Design
  

• 
• Thomas R. Skelton
• Lighting Design
  

• 
• Michael of New York
• Hair Designer
  

• 
• Eva Langner
• Production Crew
  

• 
• Lola Langner
• Production Crew
  

• 
• Frederic de Wilde
• Production Stage Manager
  

• 
• Wayne Carson
• Stage Manager
  

• 
• Terry Fay
• Casting
  

• 
• Victor Samrock
• General Manager
  

• 
• Joe Wolhandler
• Press Representative
  

• 
• Hy Jacobs
• Advertising
  

• 
• Lawrence Weiner and Associates
• Advertising
  

• 
• The Theatre Guild
• Producer
  

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

• 
• Michael Codron
• Produced in Association with