• 
• Neil Fitzgerald
• Rogers
  

• 
• Georgia Harvey
• Mrs. Rogers
  

• 
• Halliwell Hobbes
• Sir Lawrence Wargrave
  

• 
• Nicholas Joy
• General Mackenzie
  

• 
• Anthony Kemble Cooper
• Anthony Marston
  

• 
• Claudia Morgan
• Vera Claythorne
  

• 
• Patrick O'Connor
• Fred Narracott
  

• 
• J. Pat O'Malley
• William Blore
  

• 
• Michael Whalen
• Philip Lombard
  

• 
• Estelle Winwood
• Emily Brent
  

• 
• Harry Worth
• Dr. Armstrong
  

• 
• Beverly Roberts
• Vera Claythorne
  

• 
• Agatha Christie
• Writer
  

• 
• Albert De Courville
• Director
  Producer
  

• 
• Howard Bay
• Scenic Design
  

• 
• Patrick O'Connor
• Stage Manager
  

• 
• Gerson H. Werner
• Company Manager
  

• 
• Claude Greneker
• Press Representative
  

• 
• Stanley Seiden
• Press Representative
  

• 
• Richard Falk
• Promotions
  

• 
• Messrs. Shubert (Lee and J. J.)
• Producer
  

• 
• Farndale Ltd.
• Produced by Arrangement With
  

• 
• B. A. Meyer
• Produced by Arrangement With