During a murder hunt game at a country house, to which Hercule Poirot is invited as an "expert", a real murder occurs.
Peter Ustinov
as Hercule Poirot
Jean Stapleton
as Ariadne Oliver
Constance Cummings
as Amy Folliatt
Tim Pigott-Smith
as Sir Stubbs
Jonathan Cecil
as Hastings
Kenneth Cranham
as Insp. Bland
Susan Wooldridge
as Amanda Brewis
Christopher Guard
as Alec Legge
Jeff Yagher
as Eddie South
Nicollette Sheridan
as Hattie Stubbs
Ralph Arliss
as Michael Weyman
Caroline Langrishe
as Sally Legge
