
Plot
Black Coffee is a 1931 British detective film directed by Leslie S. Hiscott. Based on the 1930 play Black Coffee by Agatha Christie featuring her famous private detective Hercule Poirot, it stars Austin Trevor as Poirot with Richard Cooper playing his companion Captain Hastings. A famous but hated scientist, Sir Amory, is killed during a house party, and some of his valuable papers are missing. Poirot rapidly determines the cause of death and the motive, then narrows down the suspects to the most likely culprit.
Trailer
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Cast

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)