A young opera singer is stalked by a deranged fan bent on killing the people associated with her to claim her for himself.
Betty
Marco
Inspector Alan Santini
Mira
Giulia
Marion
Stefano
Signora Albertini
Baddini (as Antonio Juorio)
Alma's mother
Alma
Maurizio, the raven trainer
Maria, the assistant director
Miro
Cop #1
Mara Czekova's assistant
Cop #2
Lady Macbeth (soprano) (singing voice)
Macbeth (bass) (singing voice)
Narrator (Italian version) (voice) (uncredited)
Inspector Daniele Soave (uncredited)
Worker in the backround (uncredited)
