![](https://image.tmdb.org/t/p/w300_and_h450_bestv2/9oFpVtf5ASVGnIAydrqTnFzju44.jpg)
Mercenaries of the Rio Grande
Summary
Dr. Karl Sternau, the personal physician of the count Bismarck, who spent much of his youth in Mexico, is sent back to that country during the occupation by French troops in the service of the Austrian 'Emperor' Maximilian, to carry an encouraging letter from U.S. President Lincoln to the nationalist Mexican president Benito Juarez.
Robert Siodmak
Director
Karl May
Novel
Robert A. Stemmle
Screenplay
Georg Marischka
Screenplay
Ladislas Fodor
Screenplay
![Dr. Karl Sternau](https://image.tmdb.org/t/p/w200/webBNrTYYMZjfXMpEl10liT8OKa.jpg)
Belongs To Collection Dr. Karl Sternau
Original NameDer Schatz der Azteken (Mercenaries of the Rio Grande)
StatusReleased: 60 years ago
March 4, 1965
LanguageDeutsch
Spoken LanguagesDeutsch
Budget-
Revenue-
Other