Character Name : Peter Neal

Original Name : Anthony Franciosa

Gender : Male

Character Name : Bullmer

Original Name : John Saxon

Gender : Male

Character Name : Anne

Original Name : Daria Nicolodi

Gender : Female

Character Name : Detective Germani

Original Name : Giuliano Gemma

Gender : Male

Character Name : Gianni

Original Name : Christian Borromeo

Gender : Male

Character Name : Tilde

Original Name : Mirella D'Angelo

Gender : Female

Character Name : Jane McKerrow

Original Name : Veronica Lario

Gender : Female

Character Name : Elsa Manni

Original Name : Ania Pieroni

Gender : Female

Character Name : Girl on Beach

Original Name : Eva Robin's

Gender : Female

Character Name : Detective Altieri

Original Name : Carola Stagnaro

Gender : Female

Character Name : Christiano Berti

Original Name : John Steiner

Gender : Male

Character Name : Maria Alboretto

Original Name : Lara Wendel

Gender : Female

Character Name : Bullmer's secretary

Original Name : Isabella Amadeo

Gender : Female

Character Name : Marion

Original Name : Mirella Banti

Gender : Male

Character Name : Department Store Manager (as Enio Girolami)

Original Name : Enio Girolami

Gender : Male

Character Name :

Original Name : Monica Maisani

Gender : Male

Character Name : John

Original Name : Marino Masé

Gender : Male

Character Name : Alboretto, the porter

Original Name : Fulvio Mingozzi

Gender : Male

Character Name : Coroner (as Gianpaolo Saccarola)

Original Name : Giampaolo Saccarola

Gender : Male

Character Name : Prostitute

Original Name : Ippolita Santarelli

Gender : Female

Character Name :

Original Name : Francesca Viscardi

Gender : Female

Character Name : Narrator (Italian version) / Murderer's Hands (voice) (uncredited)

Original Name : Dario Argento

Gender : Male

Character Name : Elevator Repairman #1 (uncredited)

Original Name : Lamberto Bava

Gender : Male

Character Name : Maria's Boyfriend / Man Walking with Girl on Beach (uncredited)

Original Name : Michele Soavi

Gender : Male