Credits
Cast

Ricardo Montalban
Antonio Gómez

Anne Bancroft
María Ibinia

Lee Marvin
The Killer

José Pérez
Paco Gómez

Rodolfo Acosta
Lt. Fernando

Carlos Múzquiz
Capt. Saldana
Jorge Treviño
Sergeant

José Torvay
Andrés Martínez

Eva Calvo
Carla Arlota

Fanny Schiller
Carmen Martínez
Tamara Garina
Doña Lucrecia

Pascual García Peña
Porter (as Pascual G. Pena)

Tony Carbajal
Pedro (as Antonio Carbajal)
Art
Gunther Gerszo
Art Direction
Camera
Leobardo Sánchez
Assistant Camera
Manuel Gómez Urquiza
Camera Operator
Costume & Make-Up
Sara Maza
Hairdresser
Sara Mateos
Makeup Artist
Directing
Julio Cahero
Assistant Director
John Burch
Assistant Director, Production Manager
Harry Horner
Director

Rafael Portillo
Director
Icaro Cisneros
Script Supervisor
Editing
George A. Gittens
Editor
George Crone
Editor
Production
Mildred Gusse
Casting
Leonard Goldstein
Producer
Ricardo Beltri
Unit Manager
Sound

Raúl Lavista
Original Music Composer
Galdino R. Samperio
Sound
Jesús González Gancy
Sound
Writing

Georges Simenon
Novel
Robert Presnell Jr.
Screenplay
Leo Townsend
Screenplay