Half man, half beast, all horror

A surgeon transplants the heart of an ape into his ailing son with horrific results.

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Main Cast: José Elías Moreno, Carlos López Moctezuma, Armando Silvestre, Norma Lazareno, Agustín Martínez Solares, Gerardo Zepeda, Noelia Noel, Gina Morett, Nathanael León

Director: René Cardona

Writers: René Cardona Jr., René Cardona

Editor: Jorge Busto

Cinematographer: Raúl Martínez Solares

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