Terry Moore

Alison Ford

Robert Beatty

Tim Forrester

William Sylvester

Dave Forrester

Josephine Griffin

Jill Stewart

Geoffrey Keen

Inspector Colby

Allan Cuthbertson

Henry Carmichael

Henry Oscar

John Smith

William Lucas

Reg Dorking

Terence Alexander

Fenby

Bruno Barnabe

Italian Detective

Eric Corrie

Pilot

Jack Howarth

Hotel Porter

Stuart Saunders

Sgt. Haines

Marianne Stone

Receptionist

Jack McNaughton

Frank Thornton

Police Photographer

Neil Wilson

Raymond Francis

Police Inspector - Interpol Division

Andreas Malandrinos

Sam Kydd

Bill, the Telephone Engineer

Robert Raglan

(uncredited)

Ian Wilson

Dorking's Customer (uncredited)

Guy Green

Director

Ken Hughes

Guión

Francis Durbridge

Guión, Historia

Guy Green

Guión

Wilkie Cooper

Director de Fotografía

John Veale

Compositor de la Música Original

Insignia Films

Compañía de Produccion