Veronica Lario

As

Jane McKerrow

Ania Pieroni

As

Elsa Manni

Eva Robin's

As

Girl on Beach

Carola Stagnaro

As

Detective Altieri

John Steiner

As

Christiano Berti

Lara Wendel

As

Maria Alboretto

Mirella Banti

As

Marion

Ennio Girolami

As

Department Store Manager (as Enio Girolami)

Marino Masé

As

John

Fulvio Mingozzi

As

Alboretto, the porter

Giampaolo Saccarola

As

Coroner (as Gianpaolo Saccarola)

Francesca Viscardi

As

Dario Argento

As

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

Lamberto Bava

As

Elevator Repairman #1 (uncredited)

Michele Soavi

As

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