"In a music hall has committed a murder, the police will also find the murderer."
Maria Antonieta Pons
as Rosa Montejo
César del Campo
as Julián
Manuel Medel
as Pancholín
Rafael Banquells
as Inspector de policía
Germán Valdés
as Tin Tan
Silvia Pinal
as Herself
Luis Aguilar
as Himself
Lucho Gatica
Agustín Lara
Pedro Vargas
José Pidal
as Don Sebastián
Tito Novaro
as Pepe
Francisco Meneses
as Agente de policía
Julián de Meriche
as Gerente del teatro
Juan Vázquez
as (uncredited)
Mario García 'Harapos'
Daniel Arroyo
as Espectador (uncredited)
Ángela Rodríguez
as Espectadora (uncredited)
René Barrera
as Policía (uncredited)
Antonio Brillas
Alfredo Wally Barrón
as Carterista (uncredited)
Francisco Ledesma
as Doctor (uncredited)
Patricia Nieto
as Empleada del teatro (uncredited)
Polo Ortín
as Señor Patiño (uncredited)
Miguel Suárez
as Señor del Campo (uncredited)
Fernando Cortés
Director
Screenplay
Fernando Galiana
Story
Jesús Bracho
Production Design
José Ortiz Ramos
Director of Photography
Mauricio Rojas
Casting
Rafael Suárez
Set Decoration
Teresa Sánchez
Hairstylist
Concepción Zamora
Makeup Artist
Winfield Sánchez
Assistant Director
Jesús Sotomayor Martínez
Producer
Jorge Benavides
Special Effects
Jesús González Gancy
Sound Director
Carlos Savage
Editor
Luis G. Rubín
Production Manager
Francisco Alcayde
Sound Recordist
Sergio Guerrero
Original Music Composer
León Escobar
Choreographer
Manuel González
Camera Operator
Teódulo Bustos
Editorial Coordinator
Miguel Araña
Eduardo Mendoza
Title Graphics
Carlos Falomir
Script Supervisor
