Kirk Douglas

Steve Wallace

Giuliano Gemma

Marco

Florinda Bolkan

Anna

Wolfgang Preiss

Miller

Reinhard Kolldehoff

Detective Hoffman

Romano Puppo

Miller's Lieutenant

Bruno Corazzari

Eric

John Bartha

Murdered Security Guard

Allen Stanley

Vittorio Fanfoni

Michele Lupo

director, writer

Roberto Leoni

writer

Franco Bucceri

writer

Nico Ducci

writer

Marina Cicogna

producer

Ennio Morricone

composer

Tonino Delli Colli

cinematographer

Antonietta Zita

editor