• 
  Frank Finlay

  Paul
• 
  Irene Papas

  Raffaella
• 
  John Phillip Law

  Exorcist
• 
  Lara Wendel

  Daria Rhodes
• 
  Ian Bannen

  The Professor
• 
  Valentina Cortese

  Elena Merrill
• 
  Anne Heywood

  Carlotta Rhodes
• 
  Sonia Viviani

• 
  Marisa Mell

  Agatha

• 
  Stelvio Cipriani

  departament sunet
• 
  Pier Luigi Basile

  design de producţie
• 
  Carlo Lastricati

  production manager