A young opera singer is stalked by a deranged fan bent on killing the people associated with her to claim her for himself.
Lady Macbeth (soprano) (singing voice)
Narrator (Italian version) (voice) (uncredited)
Inspector Daniele Soave (uncredited)
Inspector Alan Santini
Baddini (as Antonio Juorio)
Macbeth (bass) (singing voice)
Worker in the backround (uncredited)