On screen
Cast
12 credited performers
Frederick Stafford
Joe Mortimer
Daniela Bianchi
Kristina von Keist
John Ireland
Captain O’Connor
Curd Jürgens
General Edwin von Keist
Michel Constantin
Sgt Rudolph Petrowsky
Helmuth Schneider
SS-General Hassler
Howard Ross
Randall
Artwork unavailable
Fajda Nicol
Magda
Adolfo Celi
Luc Rollman
Anthony Dawson
American Colonel
Valentino Macchi
Character not listed
Jacques Monod
Character not listed