Character Name : Dr. Francis Clay

Original Name : Klaus Kinski

Gender : Male

Character Name : Anne Palmieri

Original Name : Rosalba Neri

Gender : Female

Character Name : Mara

Original Name : Jane Garret

Gender : Female

Character Name : Cheryl Hume

Original Name : Margaret Lee

Gender : Female

Character Name : Professor Osterman

Original Name : John Karlsen

Gender : Male

Character Name : Ruth

Original Name : Gioia Desideri

Gender : Female

Character Name : The Gardener (as John Ely)

Original Name : Giangiacomo Elia

Gender : Male

Character Name : Nurse Helen

Original Name : Monica Strebel

Gender : Female

Character Name : Chaffeur

Original Name : Fernando Cerulli

Gender : Male

Character Name : Policeman

Original Name : Giulio Baraghini

Gender : Male

Character Name : Policeman

Original Name : Sandro Rossi

Gender : Male

Character Name : Inspector

Original Name : Ettore Geri

Gender : Male

Character Name : Policeman

Original Name : Antonio Radaelli

Gender : Male

Character Name : Nurse

Original Name : Carla Mancini

Gender : Female

Character Name : Male Nurse

Original Name : Franco Marletta

Gender : Male

Character Name : Cheryl's Husband

Original Name : Piero Nistri

Gender : Male

Character Name : Patient

Original Name : Daniela Di Bitonto

Gender : Female

Character Name : Ruth's Husband

Original Name : Enzo Spitaleri

Gender : Male

Character Name : Male Nurse

Original Name : Marco Mariani

Gender : Male

Character Name : Policeman

Original Name : Gilberto Galimberti

Gender : Male

Character Name : Patient

Original Name : Rosanna Braida

Gender : Male

Character Name : Nurse Killed with Scythe (uncredited)

Original Name : Lina Franchi

Gender : Female