Carol Howard
Ann Harding
Gerald Lovell
Basil Rathbone
Kate Meadows
Binnie Hale
Ronald Bruce
Bruce Seton
Aunt Lou
Jean Cadell
Dr. Gribble
Bryan Powley
Emmy
Joan Hickson
Hobson
Donald Calthrop
Tuttle (uncredited)
Eugene Leahy
Ship's Steward (uncredited)
Ben Williams
Theatre Play
Frank Vosper
Music
Benjamin Britten
Screenplay
Frances Marion
Adaptation
Director
Rowland V. Lee
Novel
Agatha Christie
Producer
Max Schach
Director of Photography
Philip Tannura