Reparto
Anthony Franciosa
Peter Neal
John Saxon
Bullmer
Daria Nicolodi
Anne
Giuliano Gemma
Detective Germani
Christian Borromeo
Gianni
Mirella D'Angelo
Tilde
Veronica Lario
Jane McKerrow
Ania Pieroni
Elsa Manni
Eva Robin's
Girl on Beach
Carola Stagnaro
Detective Altieri
John Steiner
Christiano Berti
Lara Wendel
Maria Alboretto
Mirella Banti
Marion
Enio Girolami
Department Store Manager
Marino Masé
John
Fulvio Mingozzi
Alboretto
Giampaolo Saccarola
Coroner
Ippolita Santarelli
Prostitute
Francesca Viscardi
Dario Argento
Narrator / Murderer's Hands (voice) (uncredited)
Lamberto Bava
Elevator Repairman #1 (uncredited)
Michele Soavi
Maria's Boyfriend / Man with Girl on Beach (uncredited)
