Peter Ustinov's sixth appearance as Ms Christie's famous Belgian sleuth Hercule Poirot, this time in one of his most bizarre cases. Based on the book 'Three-Act Tragedy' (also the film's American title), the story features the usual strong cast of suspects and victims, among them Lisa Eichhorn, Jonathan Cecil, Tony Curtis, Emma Samms (as a character called Egg Eastman), Nicholas Pryor and Diana Muldaur.

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