• 
• Alfred Lunt
• Dr. Kaarlo Valkonen
  Dr. Kaarlo Valkonen
  

• 
• Lynn Fontanne
• Miranda Valkonen
  

• 
• Charles Ansley
• Joe Burnett
  

• 
• Charva Chester
• Ilma
  Ilma
  

• 
• Montgomery Clift
• Erik Valkonen
  Erik Valkonen
  

• 
• Maurice Colbourne
• Dr. Ziemssen
  Dr. Ziemssen
  

• 
• Robert Downing
• Photographer
  

Replacement

• 
• Elisabeth Fraser
• Kaatri Alquist
  Kaatri Alquist
  

• 
• Thomas Gomez
• Ben Gichner
  Ben Gichner
  

• 
• Sydney Greenstreet
• Uncle Waldemar
  Uncle Waldemar
  

• 
• Claude Horton
• Sergeant Gosden
  Sergeant Gosden
  

• 
• William LeMassena
• Frank Olmstead
  Frank Olmstead
  

• 
• Ralph Nelson
• Photographer
  

Replacement

• 
• Edward Raquello
• Major Rutkowski
  Major Rutkowski
  

• 
• Phyllis Thaxter
• Lempi
  Lempi
  

• 
• Brooks West
• Gus Shuman
  

Replacement

• 
• Richard Whorf
• Dave Corween
  Dave Corween
  

• 
• Robert E. Sherwood
• Writer
  

• 
• Alfred Lunt
• Staging
  

• 
• Richard Whorf
• Scenic Design
  Scenic Design
  

• 
• Valentina
• Costume Design
  

• 
• The Playwrights' Company
• Producer
  

• 
• The Theatre Guild
• Producer