A widower's young son leads the police to a killer of sinners in Mexico City.
Ricardo Montalban
as Antonio Gómez
Anne Bancroft
as María Ibinia
Lee Marvin
as The Killer
José Pérez
as Paco Gómez
Rodolfo Acosta
as Lt. Fernando
Carlos Múzquiz
as Capt. Saldana
Jorge Treviño
as Sergeant
José Torvay
as Andrés Martínez
Eva Calvo
as Carla Arlota
Fanny Schiller
as Carmen Martínez
Tamara Garina
as Doña Lucrecia
Pascual García Peña
as Porter (as Pascual G. Pena)
