Here he comes to swinging seventies' London, seeking a cure to his malady. Unfortunately, he meets Dr. Jekyll who injects him with a serum that turns him into the lascivious killer Mr. Hyde. In his top hat and black cloak, Hyde haunts the fleshpots of Soho, while two gorgeous women fight for possession of his wolfman soul...
Paul Naschy
as Waldemar Daninsky / Wolfman / Mr. Hyde
Shirley Corrigan
as Justine
Jack Taylor
as Dr. Henry Jekyll
Mirta Miller
as Sandra
José Marco
as Imre Kosta
Luis Induni
as Otvos
Barta Barri
as Gyogyo, the inn-keeper
Luis Gaspar
as Thurko, Otvos's thug
Elsa Zabala
as Uswika Bathory
Lucy Tiller
as Whore
Montserrat Julió
as Agatha (uncredited)
Marisol Delgado
as Nurse / Victim (uncredited)
