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

Frank Thornton

Police Photographer

Raymond Francis

Police Inspector - Interpol Division

Sam Kydd

Bill, the Telephone Engineer

Robert Raglan

(uncredited)

Ian Wilson

Dorking's Customer (uncredited)