Klaus Kinski

~ as ~

Dr. Francis Clay

Margaret Lee

~ as ~

Cheryl Hume

Rosalba Neri

~ as ~

Anne Palmieri

Jane Garret

~ as ~

Mara

John Karlsen

~ as ~

Professor Osterman

Gioia Desideri

~ as ~

Ruth

Giangiacomo Elia

~ as ~

The Gardener (as John Ely)

Monica Strebel

~ as ~

Nurse Helen

Fernando Cerulli

~ as ~

Chaffeur

Sandro Rossi

~ as ~

Policeman