Georges Simenon
Novel
Galdino R. Samperio
Sound
Leonard Goldstein
Producer
Robert Presnell Jr.
Screenplay
Raúl Lavista
Original Music Composer
Rafael Portillo
Director
Gunther Gerszo
Art Direction
Manuel Gómez Urquiza
Camera Operator
Leobardo Sánchez
Assistant Camera
Ricardo Beltri
Unit Manager
John Burch
Production Manager
John Burch
Assistant Director
Jesús González Gancy
Sound
Icaro Cisneros
Script Supervisor
Sara Mateos
Makeup Artist
Julio Cahero
Assistant Director