Austin Trevor
Hercule Poirot
Adrianne Allen
Lucia Amory
Richard Cooper
Capt. Hastings
Elizabeth Allan
Barbara Amory
C. V. France
Sir Claude Amory
Philip Strange
Richard Amory
Dino Galvani
Dr. Carelli
Michael Shepley
Raynor
Melville Cooper
Insp. Japp
Marie Wright
Miss Amory
Leila Page
(uncredited)
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