Cast
- Miguel Ángel Solá as Capitán Sierra
- Esther Ortega as Sargento Laura Andrún
- Ana Torrent as Julia Guzmán
- Sancho Gracia as Ramón Garrido
- Juan Ribó as Luis Seisdedos
- Eleazar Ortiz as Nicolás Segura
- Alfonso Bassave as Pablo Molina
- Celia Pastor as Marina Izquierdo
- Leonardo Orna as U.C.O. Leónidas
- Esmeralda Moya as Blanca Sierra