"Portrait of the life of an amateur boxer, who falls into the hands of a cruel manager while turning into professional."
Julián Mateos
as Paco / Young Sánchez
Luis Romero
as El preparador
Carlos Otero
as El Conca
Sergio Doré
as Don Rafael
Consuelo de Nieva
as La madre de Paco
Luis del Pueblo
as Fermín Olivera
Luis Ciges
as El padre de Paco
Berta Carbonell
as Mercedes
Nieves Correa
as
Miquel Graneri
as Luis
Manuel Bronchud
as Velasco
Juan Torres
as Eduardo
Mari Martel
José F. Rivelles
Montserrat Porta
Fernando Rubio
as Ayudante de Don Rafael
Alejo del Peral
as Periodista
José Manuel Pinillos
José María Cases
Armando Muriel
as Don Luis
José Valdés
Ermanno Bonetti
as Paulino
E. Sánchez Merayo
Jaime Aparici
Pancho Martínez
Felipe Alayeto
José López Giménez
Alberto Alsine
Ruiz-Bueno
Biarne Lindquist
Manuel Ruiz
as Casimiro
Martínez-Larroya
Mario Camus
Director