Joel McCrea

Lt. Col. Robert Taine

Evelyn Keyes

Cecily Paine

Herbert Lom

Sandorski

Roland Culver

Randall

Marius Goring

Hiart

Frank Lawton

Hassingham

Patricia Laffan

Magda

Cyril Raymond

Cartwright

Karl Stepanek

Diss

Karel Stepanek

David Hurst

Lex

Denis Lehrer

Reimann

Laurence Naismith

Blossom

Megs Jenkins

Mrs. Powell

Robert Dickens

Tommy

Jack McNaughton

Inspector Matthews

Arnold Bell

Sgt. Baines

Ellis Irving

Wharton

Clement McCallin

Inspector Sullivan

Joan Hickson

Station Announcer

Powys Thomas

uncredited

Robert Parrish

Director

Eric Ambler

Guión, Guión Adaptado

Geoffrey Household

Novela

Stanley Pavey

Director de Fotografía

Desmond Davis

Additional Camera

Hans May

Compositor de la Música Original

Raymond Stross Productions

Compañía de Produccion