• 
• Clyde Burton
• Younger Draftsman
  

• 
• David Dukes
• Committeeman
  

• 
• Peter Friedman
• Committeeman
  

• 
• John Glover
• William A. Brown
  

• 
• James Greene
• Mr. Anthony
  

• 
• Paul Hecht
• Mr. Brown
  

• 
• Katherine Helmond
• Margaret
  

• 
• Curt Karibalis
• Policeman
  

• 
• John McMartin
• Dion Anthony
  

• 
• Bill Moor
• Older Draftsman
  

• 
• Charlotte Moore
• Mrs. Anthony
  

• 
• Robert Phelps
• Older Son
  

• 
• Marilyn Sokol
• Cybel
  

• 
• Thomas A. Stewart
• Younger Son
  

• 
• Ellen Tovatt
• Committeeman
  

• 
• Bonnie Gallup
• Mrs. Brown
  Cybel
  

• 
• Clyde Burton
• Dion Anthony
  

• 
• David Dukes
• William A. Brown
  

• 
• Robert Ginty
• Younger Draftsman
  

• 
• Bill Moor
• Mr. Anthony
  Mr. Brown
  

• 
• Charlotte Moore
• Margaret
  

• 
• Ellen Tovatt
• Mrs. Anthony
  Mrs. Brown
  

• 
• Eugene O'Neill
• Writer
  

• 
• Harold Prince
• Director
  

• 
• Boris Aronson
• Scenic Design
  

• 
• Carolyn Parker
• Costume Design
  Mask Design
  

• 
• Tharon Musser
• Lighting Design
  

• 
• Ruth Mitchell
• Assistant Director
  

• 
• Daniel Freudenberger
• Production Stage Manager
  

• 
• Anne Sullivan
• Production Stage Manager
  

• 
• Dan Langan
• Press Representative
  

• 
• New Phoenix Repertory Co.
• Producer