Austin Trevor

Hercule Poirot

Jane Carr

Lady Edgware / Carlotta Adams

Richard Cooper

Captain Hastings

John Turnbull

Inspector Japp

Michael Shepley

Captain Ronald Marsh

Leslie Perrins

Bryan Martin

C. V. France

Lord Edgware

Sophie Stewart

Geraldine Marsh

Brenda Harvey

Miss Carroll

S. Victor Stanley

Jobson

Phyllis Morris

Ellis

Hargrave Pawson

Donald Ross

Conway Dixon

Sir Montague Corner

Stanley Vine

Lord Edgware's Butler

Quinton McPherson

Moxon

Kynaston Reeves

Duke of Merton

Henry Edwards

Director

H. Fowler Mear

Screenplay

Sydney Blythe

Director of Photography

Louis Brooks

Costume Design

Agatha Christie

Novel

Julius Hagen

Producer

James A. Carter

Art Direction

Baynham Honri

Sound Recordist

Michael C. Chorlton

Editor

Arthur Barnes

Assistant Director

Charles

Hairstylist

W.L. Trytel

Original Music Composer