George Sanders

Simon Templar

Wendy Barrie

Valerie 'Val' Travers

Jonathan Hale

Inspector Henry Fernack

Jerome Cowan

Cullis

Barry Fitzgerald

Zipper Dyson

Neil Hamilton

Allan Breck

Robert Elliott

Chief Inspector Webster

Russell Hopton

Harry Donnell

Edward Gargan

Pinky Budd

Robert Strange

Police Commisioner

Gilbert Emery

Martin Eastman

James Burke

Headquarters Police Officer

Nella Walker

Mrs. Betty Fernack

Willie Best

Algernon, Simon's Butler (Uncredited)

Paul E. Burns

Organ Grinder (Uncredited)

John Farrow