Trailer
 | Libertad Lamarque as María Grever |
 | Miguel Torruco as León Grever |
 | Lilia Martínez as Laurita |
 | Prudencia Grifell as Doña Generosa |
 | Albert Carrier as Ralph |
 | María Gentil Arcos as Doña Julia |
 | Miguel Ángel Ferriz Sr. as Doctor Fuentes |
 | Hortensia Santoveña as Mercedes |
 | Héctor Godoy as Carlos Grever |
 | José Pidal as Editor de música |
| Marion del Valle as Claudia |
| Norma Ancira as Amiga de Claudia |
 | Julián de Meriche as Maestro de orquesta |
 | Andrés Soler as Andrés Soler |
 | Alfonso Ortiz Tirado as Cantante |
| Chucho Martínez Gil as Cantante |
| Néstor Chaires as Cantante |
| Juan Arvizu as Juan Arvizu |
 | Eduardo Alcaraz as Sr. Dobie (uncredited) |
| Guillermo Álvarez Bianchi as Hombre en Nueva York (uncredited) |
| Daniel Arroyo as Invitado ceremonia (uncredited) |
 | Manuel Arvide as Don Alejandro Castillo (uncredited) |
| Stephen Berne as Cargador piano (uncredited) |
| Carmen Cabrera as Invitada compromiso (uncredited) |
| Rodolfo Calvo as Hombre en subasta (uncredited) |
| Manuel Casanueva as Doctor (uncredited) |
| Jorge Chesterking as Cole Porter (uncredited) |
| Julio Daneri as Señor Davis (uncredited) |
| Felipe de Flores as Amigo de Mojica (uncredited) |
| Rosario Gálvez as (uncredited) |
| Violeta Guirola as Carmen Grever (uncredited) |
| Ana María Hernández as Amiga de María en Nueva York (uncredited) |
| Cecilia Leger as Invitada compromiso (uncredited) |
| Elvira Lodi as Secretaria (uncredited) |
| Chel López as Chofer (uncredited) |
| Miguel Ángel López as Mensajero (uncredited) |
| Rubén Márquez as Hombre en subasta (uncredited) |
| Paco Martínez as Fotógrafo (uncredited) |
| Héctor Mateos as Subastador (uncredited) |
 | Álvaro Matute as Dr. Wilson (uncredited) |
 | Martha Mijares as Muchacha subasta (uncredited) |
 | Felipe Montoya as Señor Anselmi (uncredited) |
| Salvador Pérez G. as Cargador piano (uncredited) |
 | Salvador Quiroz as Don Matías(uncredited) |
| Joaquín Roche as Mensajero del señor Mojica (uncredited) |
 | Nicolás Rodríguez as Doctor (uncredited) |
| Manuel Sánchez Navarro as Hombre en subasta (uncredited) |
 | Hernán Vera as (uncredited) |
| Fernando Yapur as Cargador piano (uncredited) |
 | Enrique Zambrano as Anunciador ceremonia (uncredited) |
| Sound | |
| Manuel Esperón | Music |
Directing | |
| Tito Davison | Director |
Writing | |
| Ernesto Cortázar | Story |
| Fernando Galiana | Story |
| Tito Davison | Adaptation |
Production | |
| Óscar J. Brooks | Producer |
| Felipe Mier | Producer |
| Ernesto Enríquez | Executive Producer |
Camera | |
| José Ortiz Ramos | Director of Photography |
Editing | |
| Carlos Savage | Editor |
Production | |
| Eduardo Vega Lavín | Production Manager |
Art | |
| Salvador Lozano Mena | Production Design |
| Raúl Serrano | Set Decoration |
Costume & Make-Up | |
| Bertha Chiu | Hairstylist |
| Concepción Zamora | Makeup Artist |
Production | |
| José Luis Busto | Production Manager |
| Enrique L. Morfín | Production Manager |
Directing | |
| Manuel Muñoz | Assistant Director |
Sound | |
| Rodolfo Benítez | Dialogue Editor |
| James L. Fields | Sound Director |
| Galdino R. Samperio | Sound Re-Recording Mixer |
Crew | |
| Jorge Benavides | Special Effects |
Lighting | |
| Luis García | Lighting Technician |
Costume & Make-Up | |
| Ángela García | Costumer |
| Bertha Mendoza López | Costumer |
Editing | |
| Raúl J. Casso | Assistant Editor |
Directing | |
| Manuel Ortega | Script Supervisor |
Production | |
| Jorge Durán Chavez | Production Manager |
Art | |
| Nicolás Rueda Jr. | Title Designer |
