When the U.S. invasion and the landing of troops in 1847 begins, the former cadet Miguel de la Peña (Jorge Negrete) and his friend Agustin Melgar (Jose Macip) decide to return to the military college and fight heroically in the defense of the Mexican army.
Miguel de la Peña
Mercedes de Zuñiga y Miranda
Agustín Melgar
Ana María de Zuñiga y Miranda
Rafael Alfaro
Don Pedro de Zuñiga y Miranda
Doña Nievez de Zuñiga y Miranda
Luis Manuel Martínez de Castro
General Nicolás Bravo
General Monterde
Elvira
General Pedro Ma. Anaya
José María Alfaro
Juan de la Barrera
Vicente Suárez
Juan Escutia / Francisco Márquez
Francisco Márquez
Fernando Montes de Oca / Vicente Suárez
Capitán Alemán
General Santa Ana
Invitado al baile (uncredited)
Sirviente (uncredited)
Soldado (uncredited)
Soldado (uncredited)