• 
• John Heffernan
• Professor Arnholm
  

• 
• Pat Hingle
• Dr. Wangel
  

• 
• Vanessa Redgrave
• Ellida
  

• 
• Allison Argo
• Hilda
  

• 
• George Ede
• Ballested
  

• 
• Kimberly Farr
• Boletta
  

• 
• Richard Lynch
• Friman- Johnston
  

• 
• Kipp Osborne
• Lyngstrand
  

• 
• Henrik Ibsen
• Writer
  

• 
• Michael Meyer
• Translator
  

• 
• Tony Richardson
• Director
  

• 
• Rouben Ter-Arutunian
• Scenic Design
  Costume Design
  

• 
• Thomas R. Skelton
• Lighting Design
  

• 
• Richard Peaslee
• Sound Design
  Incidental Music
  

• 
• Randall Brooks
• Stage Manager
  

• 
• James Bernardi
• Stage Manager
  

• 
• William Conn
• Manager
  

• 
• Merle Debuskey
• Circle in the Square General Press Representative
  

• 
• Susan L. Schulman
• Circle in the Square Press Representative
  

• 
• Theodore Mann
• Artistic Director
  

• 
• Paul Libin
• Managing Director
  

• 
• Circle in the Square
• Producer