

Javier Navarro, a Falangist, is ordered to infiltrate Republican Madrid to deliver a message to a member of the Fifth Column.
Edgar Neville
Anarchist Militiaman
Argimiro Guerra
Carmen's Brother
Manuel Miranda
Checa Chief
Ángel Marrero
Clandestine Radio Announcer

Carlos Muñoz Arosa
Communist Militiaman
Crisanta Blanco
Doorwoman