Lex Barker, Gérard Barray, Rik Battaglia, Michèle Girardon, Alessandra Panaro, Theresa Lorca, Ralf Wolter, Hans Nielsen, Gustavo Rojo, Kelo Henderson, Antun Nalis, Jean-Roger Caussimon, Jeff Corey, Willy Egger, Jovan Nikolić
Mexico, 1864. The country is divided by the struggle against the French occupation and emperor Maximilian. The German doctor Karl Sternau and his friend Andreas Hasenpfeffer come to love the country and support the cause of the proud Mexicans.