Peter Ustinov
Hercule Poirot
Faye Dunaway
Jane Wilkinson / Charlotta Adams
David Suchet
Insp. Japp
Jonathan Cecil
Capt. Arthur Hastings
Bill Nighy
Ronald Marsh
Diane Keen
Jenny Driver
John Stride
Film Director
Benedict Taylor
Donald Ross
Lee Horsley
Bryan Martin
Allan Cuthbertson
Sir Montague Corner
Glyn Baker
Butler
John Barron
Lord Edgware
P
Peter Clapham
Mr. Wildburn
Lesley Dunlop
Alice Bennett
Avril Elgar
Miss Carroll
R
Russell Keith Grant
Moxon
Roger Milner
Duke of Merton's Footman
D
David Neville
Young Man
Amanda Pays
Geraldine Marsh
Pamela Salem
Mrs. Wildburn
John Quarmby
Sir Montague's Butler
Lou Antonio
Movie Producer (uncredited)
H
Harry Fielder
Assistant Director (uncredited)
David Frost
Self (uncredited)
Pat Gorman
Reporter (uncredited)