• 
  Fernando Fernán Gómez
• 
  Michele Placido

  Antonio Attolini
• 
  Luis Barboo

  Viewer of body in glass case
• 
  John G. Jones

  Inspector Thompson
• 
  Rod Mullinar

  Inspector Morris
• 
  Enzo Staiola
• 
  Mel Ferrer

  Professor Henry Douglas
• 
  Ray Milland

  Inspector Thompson

• 
  Dalila Di Lazzaro

  Glenda Blythe

• 
  Riz Ortolani

  departament sunet
• 
  Cesare D'Amico

  editorial department
• 
  Riz Ortolani

  music department
• 
  Amanda Lear

  music department
• 
  Giorgio Salvioni

  producător