• 
  Brian De Palma

  regizor
• 
  John Lithgow

  Robert Lasalle

• 
  Brian De Palma

  scenarist
• 
  Paul Schrader

  scenarist

• 
  Cliff Robertson

  Michael Courtland
• 
  Geneviève Bujold
• 
  John Lithgow

  Robert Lasalle
• 
  Regis Cordic

  Newscaster

• 
  Andrea Esterhazy

  D'Annunzio
• 
  Nella Simoncini Barbieri

  Mrs. Portinari
• 
  Wanda Blackman

  Amy Courtland
• 
  Thomas Carr

  Paper Boy
• 
  John Creamer

  Justice of the Peace
• 
  Tom Felleghy

  Italian Businessman
• 
  Stocker Fontelieu

  Dr. Ellman

• 
  Don Hood

  Ferguson
• 
  Nick Kreiger

  Farber (as Nick Krieger)
• 
  J. Patrick McNamara

  Third Kidnapper (as Patrick McNamara)
• 
  Stanley J. Reyes

  Insp. Brie
• 
  Sylvia Kuumba Williams

  Maid (as Sylvia 'Kuumba' Williams)