• 
  Dario Argento

  regizor

• 
  Dario Argento

  scenarist

• 
  Anthony Franciosa

  Peter Neal
• 
  Christian Borromeo

  Gianni
• 
  Mirella D'Angelo

  Tilde
• 
  Veronica Lario

  Jane McKerrow
• 
  Ania Pieroni

  Elsa Manni
• 
  Eva Robin's

  Fata pe plaja

• 
  Ennio Girolami

  Department Store Manager
• 
  Carola Stagnaro

  Detective Altieri
• 
  Lara Wendel

  Maria Alboretto
• 
  Gianpaolo Saccarola

  gropar
• 
  Giuliano Gemma

  Detective Germani
• 
  Marino Masé

  John
• 
  Lamberto Bava

  Elevator Repairman #1

• 
  Michele Soavi

  Maria's Boyfriend/Man Walking with Girl on Beach
• 
  John Saxon

  Bullmer
• 
  Dario Argento

  Narrator (Italian version)/Murderer's Hands
• 
  John Steiner

  Christiano Berti
• 
  Daria Nicolodi

  Anne
• 
  Isabella Amadeo

  Bullmer's secretary
• 
  Mirella Banti

  Marion
• 
  Eva Robin's

  Girl on Beach