Mercenaries of the Rio Grande

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.

Cast

Lex Barker

Dr. Karl Sternau

Gérard Barray

Count Alfonso di Rodriganda y Sevilla

Rik Battaglia

Captain Lazoro Verdoja

Michèle Girardon

Josefa