Released: Aug 12, 1969
Runtime: 90 minutes
Stars: Jack Palance, Wolfgang Preiss, Curd Jürgens, Thomas Hunter, Claudio Undari, Helmuth Schneider
Crew: Dario Argento (Screenplay), Umberto Lenzi (Director), Eduardo Manzanos (Screenplay), Rolf Grieminger (Screenplay), Alejandro Ulloa (Director of Photography), Wolf Duschl (First Assistant Director)