George Sanders

Simon Templar

Helene Reynolds

Anne Bitts

Jonathan Hale

Inspector Henry Fernack

Bela Lugosi

Partner

Donald MacBride

Inspector John H. Bohlen

John F. Hamilton

Limpy

Thomas W. Ross

Professor Horatio T. Bitts

Elliott Sullivan

Monk 'Warren'

Stanley Blystone

Detective Sadler (uncredited)

Ralph Dunn

Police Sergeant (uncredited)

Byron Foulger

Ephraim Byrd (uncredited)

Billy Franey

Street Shooting Witness (uncredited)

Edward Gargan

Police Sergeant (uncredited)

William Haade

Helm Van Roon aka 'The Dutchman' (uncredited)

Donald Kerr

Card Player (uncredited)

Pat McKee

Card Player (uncredited)

Lal Chand Mehra

Cairo Express Office Clerk (uncredited)

Walter Miller

Mac (uncredited)

Pat O'Malley

Express Man (uncredited)

Jack O'Shea

Spectator on Street (uncredited)

Lee Phelps

Police Sergeant Outside Bohlen's Office (uncredited)

Fred Rapport

Jeweler (uncredited)

Sammy Stein

Policeman (uncredited)

Leslie Charteris

Novel

Theron Warth

Editor

Ben Holmes

Screenplay

J. Roy Hunt

Director of Photography

Cliff Reid

Producer

Jack Hively

Director

Van Nest Polglase

Art Direction

Renié

Costume Design

Vernon L. Walker

Special Effects

Hugh McDowell Jr.

Sound Recordist