Top Cast
Tony Randall
Hercule Poirot
Anita Ekberg
Amanda Beatrice Cross
Robert Morley
Hastings
Maurice Denham
Japp
Guy Rolfe
Duncan Doncaster
Sheila Allen
Lady Diane
James Villiers
Franklin
Julian Glover
Don Fortune
Grazina Frame
Betty Barnad
Clive Morton
Mister K
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)
Margaret Rutherford
Miss Jane Marple (uncredited)
Sally Douglas
Glamorous Girl in Gaming Club (uncredited)
Stringer Davis
Mr. Stringer (uncredited)