• 
  Ken Annakin

  regizor

• 
  Josef Shaftel

  scenarist

• 
  Vittorio De Sica

  Cesare Celli
• 
  Raquel Welch

  Juliana
• 
  Robert Wagner

  Harry Price
• 
  Ermelinda De Felice

  Emma
• 
  Paola Borboni

  Signora Rosa
• 
  Carlo Croccolo

  Franco

• 
  Mickey Knox

  Joe Ware
• 
  Nino Vingelli

  Restaurant manager
• 
  Yvonne Sanson

  Teresa
• 
  Andrea Aureli

  Carabiniere looking for Harry
• 
  Edward G. Robinson

  Professor Samuels
• 
  Godfrey Cambridge

  Benjamin 'Benny' Brownstead
• 
  Nino Musco

  Chef

• 
  Femi Benussi

  Uncle Carlo's Bride
• 
  Jean-Jacques Delbo

  Train engineer