| Person | Type | Job | Role(s) |
|---|---|---|---|
 Alex Phillips | Crew | Camera | Director of Photography |
 Charles L. Kimball | Crew | Editing | Editor |
Concepción Zamora | Crew | Costume & Make-Up | Makeup Artist |
Ernesto Enríquez | Crew | Production | Executive Producer |
 Felipe Mier | Crew | Production | Producer |
Francisco Marco Chillet | Crew | Art | Production Design |
Galdino R. Samperio | Crew | Sound | Sound Re-Recording Mixer |
Ignacio Villareal | Crew | Directing | Assistant Director |
James L. Fields | Crew | Sound | Sound Director |
Jorge Benavides | Crew | Crew | Special Effects |
 José Revueltas | Crew | Writing | Writer |
 Luis Spota | Crew | Writing | Story |
 Raúl Lavista | Crew | Sound | Original Music Composer |
 Roberto Gavaldón | Crew | Directing | Director, Writer |
 Óscar J. Brooks | Crew | Production | Producer |
Humberto Gavaldón | Crew | Directing | Script Supervisor |
Raul J. Casso | Crew | Editing | Assistant Editor |
José Jurado | Crew | Costume & Make-Up | Hairstylist |
Nicolás Rueda Jr. | Crew | Art | Title Designer |
Jorge Cardeña | Crew | Production | Production Manager |
Rodolfo Benítez | Crew | Editing | Dialogue Editor, Sound |
Juan Bruno Tarraza | Crew | Sound | Songs |
 Arturo de Córdova | Cast | Actor | Professor Jaime Karin |
Bertha Lehar | Cast | Señora del Valle | |
Bertha Lomelí | Cast | Actress | Clienta de Karin (uncredited) |
 Carmen Montejo | Cast | Actress | Clara Stein |
Consuelo Guerrero de Luna | Cast | Actress | Sra. Arnold |
Enrique Zambrano | Cast | Actor | Police Detective (uncredited) |
Enriqueta Reza | Cast | Carmelita | |
Guillermo Ramírez | Cast | Policía | |
Ignacio García | Cast | Organista | |
 Jesús Gómez | Cast | Police (uncredited) | |
José Arratia | Cast | Notario | |
 Leticia Palma | Cast | Actress | Ada Cisneros de Romano |
Lidia Franco | Cast | Empleada hotel (uncredited) | |
Lonka Becker | Cast | Dueña de restaurante | |
Manuel Arvide | Cast | Actor | Inspector de policia |
Nicolás Rodríguez | Cast | Actor | Abogado |
 Pascual García Peña | Cast | Actor | Pajarero (uncredited) |
 Ramón Gay | Cast | Actor | Leon Romano |
 Víctor Alcocer | Cast | Actor | Police (uncredited) |
María Valdealde | Cast | Clienta salón de belleza (uncredited) | |
Juan Bruno Tarraza | Cast | Pianista (uncredited) | |
Alfonso Carti | Cast | Police (uncredited) | |
Stephen Berne | Cast | Empleado restaurante (uncredited) | |
José Luis Moreno | Cast | Niño billetero (uncredited) | |
Tana Lynn | Cast | Cliente rubia de Karin (uncredited) | |
| Person | Type | Job | Role(s) |
