Paul Naschy

Waldemar Daninsky / Wolfman / Mr. Hyde

Shirley Corrigan

Justine

Jack Taylor

Dr. Henry Jekyll

Mirta Miller

Sandra

José Marco

Imre Kosta

Luis Induni

Otvos

Barta Barri

Gyogyo, the inn-keeper

Luis Gaspar

Thurko, Otvos's thug