"In North Africa, in a detachment of the Spanish Legion, el Grajo, a brave veteran, and Mauro, who has just enlisted, become close friends. When an unfortunate circumstance results in the death of a man, suspicions fall on one of them."
Alfredo Mayo
as El Grajo
Luis Peña
as Mauro
Manuel Luna
as Commander Tudela
Miguel Pozanco
as Curro Montoya
Pilar Soler
as Leda
Manuel Arbó
as Ionescu
Rufino Inglés
as Captain Romero
Fortunato Bernal
as Rodete
Arturo Marín
as Samuel
Fred Galiana
as Rodríguez
Julio Gallego
as Fidel Lozano
Juan de Orduña
Director
Juan Quintero
Music
Tomás Duch
Second Assistant Camera
Emilio Ferrer
Set Decoration
Marcial Torres
Military Consultant
Enrique de la Riva
Sound
Luis Lucia
Writer
Alfredo Fraile
Director of Photography
Raúl Cancio
Antonio Cánovas
Editor
Luis Meléndez
Jaime García Herranz