97 mins | Comedy, Family | March 2, 1978
97 mins | Comedy, Family | March 2, 1978
| Producers | Estudios América, Diana Films, S.A. |
| Original title | Duro pero seguro |
| Directors | José Amezquita, Fernando Cortés |
| Writers | Damián Acosta Esparza, Fernando Cortés, Alfredo Varela |
as María Nicolasa Cruz
as Armando Flores
as Don Fulgencio
as Director Alejandro Ramírez
as Doctor Luis Frey
as Don Ruperto Magallón García
as Esposa de Fulgencio
as Carmen
as Carmelita
as Periodista
as Mezcalito
as Doña Zenaida
as Chucho el Remendado
as Trabajador del estudio
as Mago
as
as Policía del estudio (uncredited)
as (uncredited)
as (uncredited)
as Vecino
as Víctor Rojas 'El Chaparro'
