Alberto de Martino Director Frédérick Stafford Joe Mortimer, Sesame Actor Daniela Bianchi Kristina von Keist Actor Curd Jürgens Gen. Edwin von Keist Actor John Ireland Capt. O'Connor Actor Adolfo Celi Luc Rollman Actor Helmuth Schneider SS Gen. Hassler Actor Michael Constantine Sgt Rudolph Petrowsky Actor Faida Nicols Actor Howard Ross Actor Anthony Dawson Actor Jacques Monod Actor Tom Felleghi Actor Valentino Macchi Actor Edmundo Amati Producer