Oskar Homolka

Inspector Hanaud

Robert Urquhart

Jim Frobisher

Yvonne Furneaux

Betty Harlowe

Keith Pyott

Josephine Griffin

Ann Upcott

Harold Kasket

Boris Wabersky

Ruth Lodge

Nurse

Pierre Lefevre

Detective Maurice Thevenet

Pierre Chaminade

Detective Moreau

Jacques Cey

Police Commissaire Giradot

Rene Leplat

Anthony Nicholls

Lawyer Jarrett

Andrea Lea

Colette Wilde

Jeanne Pali

Rene Poirier

Michael Anderson

Director

Thelma Orr

Script Supervisor

Edward Dryhurst

Guión

A.E.W. Mason

Novela

Erwin Hillier

Director de Fotografía

Gerald Crossman

Compositor de la Música Original, Música

Vaughan N. Dean

Productor

Associated British Picture Corporation

Compañía de Produccion

Robert Lennard

Casting

Polly Young

Estilista

Eric Aylott

Maquilladora

Edward B. Jarvis

Editor

Terence Verity

Diseño de Producción

Les Hammond

Sound Recordist