Cast & crew
Huellas del pasado (1950)
Directed by Alfredo B. Crevenna Written by Edmundo Báez, Janet Alcoriza, Luis Alcoriza, Egon Eis
Cast
| Libertad Lamarque | Isabel / Issa Valetti |
| Emilia Guiú | Amanda |
| José María Linares Rivas | Federico Montero |
| María Gentil Arcos | Lupe, nana |
| Alejandro Ciangherotti | Antonio Quintero |
| Amparo Arozamena | Pepita |
| Xavier Loyá | Raúl, adulto |
| Francisco Jambrina | Marcos |
| José Pidal | Vázquez, empresario |
| Victorio Blanco | Teatrero (no acreditado) |
| Gloria Cansino | Empleada de teatro (no acreditada) |
| Elisa Christy | Gloria (no acreditada) |
| Álvaro Matute | Empleado de teatro (no acreditado) |
| Roberto Meyer | Comisario (no acreditado) |
| Acela Vidaurri | Empleada de teatro (no acreditada) |
Crew
| Alfredo B. Crevenna | Director |
| Edmundo Báez | Screenplay |
| Janet Alcoriza | Story |
| Edmundo Báez | Story |
| Luis Alcoriza | Story |
| José Ortiz Ramos | Director of Photography |
| Manuel Esperón | Original Music Composer |
| Egon Eis | Screenplay |