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