Peter Yates Director Cliff Richard Don Actor Lauri Peters Barbara Winters Actor David Kossoff French Magistrate Actor Ron Moody Orlando Actor Melvyn Hayes Cyril Actor Una Stubbs Sandy Actor Teddy Green Steve Actor Jeremy Bulloch Edwin Actor Peter Myers Screenwriter Ronald Cass Screenwriter Samuel Z. Arkoff Executive Producer James H. Nicholson Executive Producer Kenneth Harper Producer Stanley Black Original Music John Wilcox Cinematographer Jack Slade Film Editing Robert Lennard Casting Syd Cain Art Director