During a murder hunt game at a country house, to which Hercule Poirot is invited as an "expert", a real murder occurs.
as Hercule Poirot
as Ariadne Oliver
as Amy Folliatt
as Sir Stubbs
as Hastings
as Insp. Bland
as Amanda Brewis
as Alec Legge
as Eddie South
as Hattie Stubbs
as Michael Weyman
as Sally Legge
as Mr Tucker
as Mrs Tucker
as Marlene Tucker (uncredited)
as Marilyn Tucker
as Old Merdell (uncredited)
as Marilyn Gale
as Policeman
as Young Foreign Man
as Boatman
as Tombola Man (uncredited)