Calificación
Reparto

Peter Ustinov
Hercule Poirot

Jean Stapleton
Ariadne Oliver

Constance Cummings
Amy Folliatt

Tim Pigott-Smith
Sir Stubbs

Jonathan Cecil
Hastings

Kenneth Cranham
Insp. Bland

Susan Wooldridge
Amanda Brewis

Christopher Guard
Alec Legge

Jeff Yagher
Eddie South

Nicollette Sheridan
Hattie Stubbs

Ralph Arliss
Michael Weyman

Caroline Langrishe
Sally Legge

Leslie Schofield
Mr Tucker

Marjorie Yates
Mrs Tucker

Pippa Hinchley
Marlene Tucker (uncredited)

Vicky Murdock
Marilyn Tucker