ex-Inspector John Norton
Luigi Pistilli
Helene Sobieski
Dagmar Lassander
Man in café (uncredited)
Emmet Bergin
Doctor (uncredited)
Niall Tóibín
Ambassador Sobieski
Anton Diffring
Inspector Lawrence
Arthur O'Sullivan
Marc Sobieski (as Werner Pochat)
Werner Pochath
Ambassador Sobieski's mistress
Dominique Boschero
Mandel, the chauffeur
Renato Romano
Walter
Sergio Doria
Norton's mother
Ruth Durley
Madame Sobieski
Valentina Cortese
Co-Producer
Robert Dorfmann
Original Music Composer
Stelvio Cipriani
Screenplay
Riccardo Freda
Editor
Director
Still Photographer
Mario Mazzoni
Sandro Continenza
Sound Re-Recording Mixer
Nick Alexander
Continuity
Vivalda Vigorelli
Production Designer
Giuseppe Chevalier
Dialogue
André Tranché
Camera Operator
Enrico Sasso
Makeup Artist
Lamberto Marini
Producer
Ennio Nobili
Art Direction
Günter Ebert
Assistant Editor
Bruno Micheli
Gertrud Petermann
Leo Massa
Production Manager
Alfonso Donati
Assistant Director
Leo Jahn
Assistant Camera
Renato Doria
Novel
Richard Mann
Director of Photography
Silvano Ippoliti
Costume Designer
Nadia Vitali
Unit Manager
Franco Fumagalli
Sound Engineer
Aldo De Martino
Ennio Marzocchini
Production Secretary
Giuseppe Bruno Bossio
Fritz Hammel