Mario Bava

Director

Stephen Forsyth

John Harrington

Dagmar Lassander

Helen Wood

Laura Betti

Mildred Harrington

Jesús Puente

Inspector Russell (as Jesus Puente)

Femi Benussi

Alice Norton

Luciano Pigozzi

Vences (as Alan Collin)

Gérard Tichy

Dr. Kalleway (as Gerard Tichy)

Verónica Llimerá

Betsy Wester (as Veronica Llimera)