• 
• Glenda Jackson
• Nina Leeds
  

• 
• Tom Aldredge
• Professor Henry Leeds
  

• 
• Brian Cox
• Edmund Darrell
  

• 
• James Hazeldine
• Sam Evans
  

• 
• Elizabeth Lawrence
• Mrs. Amos Evans
  

• 
• Edward Petherbridge
• Charles Marsden
  

• 
• Caitlin Clarke
• Madeline Arnold
  

• 
• Jane Fleiss
• Mary
  

• 
• Charley Lang
• Gordon Evans
  

• 
• Patrick Wilcox
• Gordon Evans (as a child)
  

• 
• Tim Choate
• Gordon Evans
  

• 
• Jane Fleiss
• Madeline Arnold
  

• 
• Jordan Marder
• Gordon Evans (as a child)
  

• 
• Ken Ryan
• Edmund Darrell
  

• 
• Neil Vipond
• Charles Marsden
  Professor Henry Leeds
  

• 
• Joanne Dorian
• Nina Leeds
  

• 
• Mary Hara
• Mrs. Amos Evans
  

• 
• Peter McRobbie
• Sam Evans
  

• 
• Eugene O'Neill
• Writer
  

• 
• Keith Hack
• Director
  

• 
• Voytek
• Scenic Design
  

• 
• Michael Levine
• Scenic Design
  

• 
• Deirdre Clancy
• Costume Design
  

• 
• Allen Lee Hughes
• Lighting Design
  

• 
• Valerie Spradling
• Sound Design
  

• 
• Benedict Mason
• Incidental Music
  

• 
• Jane E. Neufeld
• Production Stage Manager
  

• 
• Wm. Hare
• Stage Manager
  

• 
• Hughes / Moss Casting
• Casting
  

• 
• Kingwill & Goossen, Inc.
• General Manager
  

• 
• Leonard A. Mulhern
• Company Manager
  

• 
• Marilynn LeVine
• General Press Representative
  

• 
• P.R. Partners
• General Press Representative
  

• 
• Merle Frimark
• General Press Representative
  

• 
• Meg Gordean
• General Press Representative
  

• 
• Serino, Coyne & Nappi
• Advertising
  

• 
• Peter Cunningham
• Photographer
  

• 
• Robert Michael Geisler
• Producer
  

• 
• John Roberdeau
• Producer
  

• 
• Douglas Urbanski
• Producer
  

• 
• James M. Nederlander
• Producer
  

• 
• Duncan C. Weldon
• Produced in association with
  

• 
• Paul Gregg
• Produced in association with
  

• 
• Lionel Becker
• Produced in association with
  

• 
• Jerome Minskoff
• Produced in association with