Le Professeur

• 
  Bud Spencer
  Jack Clementi
• 
  Denis Karvil
  Simon Lecoq
• 
  Mylène Demongeot
  Fernande
• 
  Geoffrey Copleston
  Henry Winterbottom
• 
  Ole Jorgensen
  Mr. Whitecat
• 
  Raymond Pellegrin
  Commissario Tony Caruso
• 
  Piero Morgia
  Man tailing Clementi
• 
  Ursula Andress
  Susy Kaminsky
• 
  Raimund Harmstorf
  Vasco
• 
  Michel Constantin
  Xavier Baudin
• 
  Hartmut Becker
  Dr. Alfred Merkl
• 
  John Steiner
  Zebra
• 
  Jacques Sernas
  Prince Don Pietro of Roccaferro
• 
  Paul Guers
  Philippe Brossard
• 
  Pascale Roberts
  Mado
• 
  Josef Fröhlich
  Werner Kraus
• 
  Armand Meffre
  Don Gino Carmelo
• 
  Venantino Venantini
  Pierre Legrand
• 
  Michel Albertini
  Tony Cilento
• 
  Isabel Russinova
  Edith Fenoglia
• 
  Claus Ringer
  Dr. Wolf D. Roth
• 
  Mario Pilar
  Leo Voltera
• 
  Alicia Leoni
  Chiara
• 
  Robert Sommer
  Kraus' Assistant
• 
  Jean Badin
  Tonton
• 
  Natalino Libralesso
  Francesco Guidi
• 
  Jean Boissery
  Louis Meller
• 
  Antonino Licausi
  Surricido
• 
  Mariangela Giordano
  Maria Merkl
• 
  Jean-Paul Muel
  Dr. Christiani

• Steno
• Maurizio Ponzi

• Lucio De Caro
  ...
  (screenplay)
• Ottavio Jemma
  ...
  (screenplay)
• Simon Michaël
  ...
  (screenplay)
• Bud Spencer
  ...
  (screenplay)
• Steno
  ...
  (screenplay)
• Enrico Vanzina
  ...
  (screenplay)