Hercule Poirot

Austin Trevor

Lady Edgware / Carlotta Adams

Jane Carr

Ellis

Phyllis Morris

Donald Ross

Hargrave Pawson

Sir Montague Corner

Conway Dixon

Lord Edgware's Butler

Stanley Vine

Moxon

Quinton McPherson

Duke of Merton

Kynaston Reeves

Captain Hastings

Richard Cooper

Inspector Japp

John Turnbull

Captain Ronald Marsh

Michael Shepley

Bryan Martin

Leslie Perrins

Lord Edgware

C. V. France

Geraldine Marsh

Sophie Stewart

Miss Carroll

Brenda Harvey

Jobson

S. Victor Stanley

Director

Henry Edwards

Novel

Agatha Christie

Costume Design

Louis Brooks

Director of Photography

Sydney Blythe

Screenplay

H. Fowler Mear

Art Direction

James A. Carter

Producer

Julius Hagen

Sound Recordist

Baynham Honri

Assistant Director

Arthur Barnes

Editor

Michael C. Chorlton

Hairstylist

Charles

Music Director

W.L. Trytel