Armando Crispino Director, Screenwriter Lee Van Cleef MSgt. Sullivan Actor Jack Kelly Captain Valli Actor Giampiero Albertini Aldo Actor Marino Masé Italian Lt. Tomassini Actor Pier Paolo Capponi Corbi Actor Duilio Del Prete Bruno Actor Götz George Oberleutnant Rudi Actor Ivano Staccioli Rodolfo Actor Marilù Tolo Adriana Actor Joachim Fuchsberger Oberleutnant Heitzel Agen Actor Heinz Reincke Offizier Hans Actor Lucio Battistrada Screenwriter Stefano Strucchi Screenwriter Dario Argento Screenwriter Henryk Chroscicki Producer Alfonso Sansone Producer Artur Brauner Producer Mario Nascimbene Music Benito Frattari Cinematographer Daniele Alabiso Film Editing