• 
• Paddy Croft
• Mary, Princess Royal
  

• 
• George Grizzard
• King Edward VIII
  

• 
• Eileen Herlie
• Queen Mary
  

• 
• Patrick Horgan
• Duke of York
  

• 
• Ruth Hunt
• Duchess of York
  

• 
• Eleanor Phelps
• Lady-in-Waiting
  

• 
• Enid Rodgers
• Lady-in-Waiting
  

• 
• Richard Sterne
• Page
  

• 
• Elizabeth Swain
• Duchess of Gloucester
  

• 
• Anthony Call
• King Edward VIII
  

• 
• Diana Kirkwood
• Duchess of Gloucester
  Duchess of York
  Mary, Princess Royal
  

• 
• Carol Teitel
• Queen Mary
  

• 
• Royce Ryton
• Writer
  

• 
• Peter Dews
• Director
  

• 
• Finlay James
• Scenic Design
  Costume Design
  

• 
• Neil Peter Jampolis
• Lighting Design
  American Production Design Supervised
  

• 
• Ray Iagnocco
• Hair Design
  

• 
• Ben Janney
• Production Stage Manager
  

• 
• Richard Sterne
• Stage Manager
  

• 
• Leonard Soloway
• General Manager
  

• 
• Seymour Krawitz
• Press Representative
  

• 
• Patricia Krawitz
• Press Representative
  

• 
• Lester Osterman Productions (Lester Osterman, Richard Horner)
• Producer
  

• 
• Michael Codron
• Produced in association with