Let Sleeping Corpses Lie

A cop chases two hippies suspected of a series of Manson family-like murders; unbeknownst to him, the real culprits are the living dead, brought to life with a hunger for human flesh by ultrasonic radiation being used for pest control.

Directed by: Jorge Grau

Starring: Cristina Galb???, Ray Lovelock, Arthur Kennedy, Aldo Massasso, Giorgio Trestini, Roberto Posse, Jos??? Lifante, Jeannine Mestre, Gengher Gatti, Fernando Hilbeck, Vera Drudi, Vicente Vega, Francisco Sanz, Paul Benson, Anita Colby, Joaqu???n Hinojosa, Vito Salier, Isabel Mestres