Walking alone in some dark alley, Sgt. Mediavillo goes about his job as a daring detective.

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Main Cast: Fernando Poe Jr., Evangeline Pascual, Dencio Padilla, Lorna Tolentino, Vic Varrion, Nello Nayo, Edmund Cupcupin, Ven Medina, Protacio Dee, Philip Coo

Director: Armando A. Herrera

Writer: Fred Navarro

Editor:

Cinematographer: Sergio Lobo

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