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.

Director: Jorge Grau

Cast:Cristina Galbó , Ray Lovelock , Arthur Kennedy , Aldo Massasso , Giorgio Trestini , Roberto Posse , José Lifante , Jeannine Mestre , Gengher Gatti , Fernando Hilbeck , Vera Drudi , Vicente Vega , Francisco Sanz , Paul Benson , Anita Colby , Joaquín Hinojosa , Vito Salier , Isabel Mestres