La fórmula secreta (1965)
Released: Nov 11, 1965
Runtime: 42 minutes
Genre: Draama
Stars: José Castillo, Manuel Gaitán, Pilar Islas, Nico-Nito, Paloma, Jaime Sabines
Crew: Rubén Gámez (Director), Santos Núñez Gómez (Writer), Juan Rulfo (Writer), Rubén Gámez (Director of Photography)