Steve Wallace
Kirk Douglas
Marco
Giuliano Gemma
Luigi Antonio Guerra
Anna
Florinda Bolkan
Miller
Wolfgang Preiss
Detective Hoffman
Reinhard Kolldehoff
Miller's Lieutenant
Romano Puppo
Eric
Bruno Corazzari
Murdered Security Guard
John Bartha
Allen Stanley
Vittorio Fanfoni
Producer
Marina Cicogna
Director of Photography
Tonino Delli Colli
Original Music Composer
Ennio Morricone
Manolo Bolognini
Story
Roberto Leoni
Writer
Mino Roli
Director
Michele Lupo
Editor
Antonietta Zita
Art Direction
Francesco Bronzi
Nico Ducci