Tony Randall
Hercule Poirot
Anita Ekberg
Amanda Beatrice Cross
Robert Morley
Captain Hastings
Maurice Denham
Inspector Japp
Guy Rolfe
Dr. Duncan Doncaster
Sheila Allen
Lady Diane
James Villiers
Franklin
Julian Glover
Don Fortune
Grazina Frame
Betty Barnad
Clive Morton
Mister X
Cyril Luckham
Sir Carmichael Clarke
Richard Wattis
Wolf
David Lodge
Sergeant
Patrick Newell
Cracknell
Austin Trevor
Judson
Alison Seebohm
Miss Sparks
Windsor Davies
Dragbot
Sheila Reid
Mrs. Fortune
Drewe Henley
Bowling Alley Attendant (uncredited)
Sally Douglas
Glamorous Girl in Gaming Club (uncredited)
Margaret Rutherford
Miss Jane Marple (uncredited)
Stringer Davis
Mr. Stringer (uncredited)
Roger Avon
Detective Sergeant (uncredited)
John Bennett
Waiter (uncredited)
Charlie Bird
Taxi Driver (uncredited)
Robin Burns
Undertaker (uncredited)
Pauline Chamberlain
Gaming Club Patron (uncredited)
Fred Davis
Policeman (uncredited)
Jack Dearlove
Policeman (uncredited)
Eden Fox
Man Waiting for Bus (uncredited)
Victor Harrington
Police Escort (uncredited)
Walter Henry
Police Escort (uncredited)
George Hilsdon
Gaming Club Patron (uncredited)
Anthony Lang
Undertaker (uncredited)
Roy Lansford
Man on Airport Escalator (uncredited)
Fred Machon
Policeman (uncredited)
Lola Morice
Passerby (uncredited)
Jack Silk
Motorcycle Cop (uncredited)
Jeff Silk
Motorcycle Cop (uncredited)
Emile Stemmler
Waiter (uncredited)
John Tatham
Police Detective (uncredited)
Graham Tonbridge
Undertaker (uncredited)
Frank Tashlin
Director
Agatha Christie
Novel
David Pursall
Screenplay
Jack Seddon
Screenplay
Ben Arbeid
Producer
Lawrence P. Bachmann
Producer
Ron Goodwin
Original Music Composer
Desmond Dickinson
Director of Photography
John Victor-Smith
Editor
Irene Howard
Casting
William C. Andrews
Art Direction
Stuart Freeborn
Makeup Artist
Albert Becket
Production Manager
Jake Wright
Unit Manager
David Tomblin
Assistant Director
Bill Creed
Sound Editor
Sash Fisher
Sound Recordist
Fred Turtle
ADR & Dubbing
A.W. Watkins
Recording Supervision
Alf Joint
Stunts
Harry Gillam
Camera Operator
Terry Cole
Focus Puller
Dennis Fraser
Grip
Hardy Amies
Costumer
John Grover
Assistant Editor
Chris Kelly
Assistant Editor
Ron Goodwin
Conductor
Tony Tweedale
Unit Publicist