Ana Luisa Peluffo

Laura Moreno / Vicky

Carlos Cores

Dr. Enrique Molina

Rubén Rojo

Martín

Fanny Schiller

La Mariposa

Francisco Jambrina

Dr. Andrade

Consuelo Monteagudo

Srita. Ocampo

Manuel Arvide

Insp. Jiménez

Enrique García Álvarez

Director de sanatorio

José Muñoz

Policía

José Chávez

Ferrocarrilero asesinado (uncredited)

Guillermo Hernández

Mesero

Cecilia Leger

Taquillera

Inés Murillo

Paciente de doctor

Beatriz Ramos

Recepcionista en sanatorio

Joaquín Roche

Don Carlitos

Ricardo Sánchez de la Barquera

Miguel Ángel

Alfonso Corona Blake

Director

Óscar J. Brooks

Producer

Manuel Esperón

Music

Américo Fernández

Assistant Director

Fernando Galiana

Writer

Alfonso Corona Blake

Screenplay

Óscar J. Brooks

Story

Urbano Vázquez

Camera Operator

Luis García

Lighting Technician

Sergio Magaña Hidalgo

Dialogue

Pedro López

Script Supervisor

Guillermo Castillo

Casting

María E. Salazar

Hairstylist

Armando Stahl

Special Effects

Enrique L. Morfín

Production Supervisor

Eufemio Rivera

Assistant Editor

Ernesto Enríquez

Producer

José Rodríguez Granada

Production Design

Roberto Camacho

Sound Recordist

Dolores Camarillo

Makeup Artist

Jack Draper

Director of Photography

Luis Fernández

Sound Recordist

Rafael Ceballos

Editor