• 
  Lamberto Bava

  regizor

• 
  Asia Argento

  Ingrid Haller
• 
  Lamberto Bava

  Sally's Father
• 
  Bruno Bilotta

  Jacob
• 
  Anita Bartolucci

  Woman with Dog
• 
  Lino Salemme

  Gardian
• 
  Lorenzo Gioielli

  Jake
• 
  Nancy Brilli

  Hannah

• 
  Bobby Rhodes

  Hank, gym instructor
• 
  Lorenzo Flaherty

  Partygoer
• 
  Coralina Cataldi-Tassoni

  Sally Day
• 
  Antonio Cantafora

  Ingrid's Father
• 
  Dario Casalini

  Danny - Ulla's boyfriend
• 
  David Edwin Knight

  George (as David Knight)
• 
  Davide Marotta

  Demon Tommy

• 
  Michele Mirabella

  Hooker's Client
• 
  Luisa Passega

  Helga Haller
• 
  Maria Chiara Sasso

  Ulla, partygoer with camera
• 
  Marco Vivio

  Tommy
• 
  Virginia Bryant

  Mary the Prostitute

• 
  Stefano Falivene

  camera and electrical departme
• 
  Simon Boswell

  departament sunet
• 
  Franco Fraticelli

  montaj
• 
  Franco Fraticelli

  editorial department
• 
  Dario Argento

  producător
• 
  Simon Boswell

  Soundtrack
• 
  Federico Savina

  sound department
• 
  Lamberto Bava

  scriitor
• 
  Franco Ferrini

  scriitor
• 
  Dario Argento

  scriitor