ex-Inspector John Norton

Luigi Pistilli

Acting

Helene Sobieski

Dagmar Lassander

Acting

Ambassador Sobieski

Anton Diffring

Acting

Inspector Lawrence

Arthur O'Sullivan

Acting

Marc Sobieski (as Werner Pochat)

Werner Pochath

Acting

Ambassador Sobieski's mistress

Dominique Boschero

Acting

Mandel, the chauffeur

Renato Romano

Acting

Walter

Sergio Doria

Acting

Norton's mother

Ruth Durley

Acting

Madame Sobieski

Valentina Cortese

Acting

Man in café (uncredited)

Emmet Bergin

Acting

Doctor (uncredited)

Niall Tóibín

Acting