• 
• Wesley Addy
• Mr. Henry Brougham
  

• 
• Joyce Ballou
• Princess Mary
  

• 
• Dario Barri
• Footman
  

• 
• Helen Burns
• Lady Conyngham
  

• 
• Ludi Claire
• Mrs. Griffths
  

• 
• Phena Darner
• Servant to Claremont House
  

• 
• Clarence Derwent
• The Bishop of Salisbury
  

• 
• Peter Donat
• Prince Leopold
  

• 
• Edward Dunne
• Guest
  

• 
• Isobel Elsom
• Caroline, Princess of Wales
  

• 
• MacGregor Gibb
• Guest
  

• 
• Robert Goodier
• Edward, Duke of Kent
  

• 
• Frances Greet
• Princess Elizabeth
  

• 
• Sally Kemp
• Guest
  

• 
• Curt Lowens
• Footman
  

• 
• John Milligan
• William
  

• 
• James Neylin
• Servant to Caroline
  

• 
• Rex Partington
• Footman
  

• 
• Le Roi Operti
• Prince Regent's Dresser
  

• 
• Edmund Roney
• Footman
  

• 
• Rossana San Marco
• Guest
  

• 
• Dorothy Sands
• Miss Cornelia Knight
  

• 
• Maud Scheerer
• Charlotte, Queen of England
  

• 
• Earl Simmons
• Guest
  

• 
• Walter Slezak
• The Prince Regent of England
  

• 
• Guy Spaull
• Sir Richard Croft
  

• 
• Inga Swenson
• Princess Charlotte
  

• 
• Jon Wiley
• Guest
  

• 
• Meg Wyllie
• Princess Augusta
  

• 
• Madeline Foley
• Cello
  

• 
• Emory Davis
• Clarinet
  

• 
• Abba Bogin
• Harpsichord
  

• 
• Isidor Lateiner
• Violin
  

• 
• Norman Ginsbury
• Writer
  

• 
• Tyrone Guthrie
• Director
  

• 
• Ralph Alswang
• Scenic Design
  Lighting Design
  Producer
  

• 
• Motley
• Costume Design
  

• 
• Ernest Adler
• Hair Design
  

• 
• Rex Partington
• Stage Manager
  

• 
• Jon Wiley
• Stage Manager
  

• 
• Robert Alex Baron
• General Manager
  

• 
• David Powers
• Press Representative
  

• 
• B.J. Westman
• Press Representative
  

• 
• Alexander H. Cohen
• Producer
  

• 
• Arthur C. Twitchell, Jr.
• Produced in Association with