Pier Paolo Capponi
Mister X
G
Gaia Germani
Timy
Armando Calvo
George Lamarro
Anna Zinnemann
Dolly
Umberto Raho
Jack MacDougall
Renato Baldini
Antonio 'Joe' Caruso
Franco Fantasia
Inspector Roux
Antonio Gradoli
Commissioner Sebastian
Nieves Salcedo
Veronica Strindberg
P
Pino Polidori
Lembus
Brizio Montinaro
Younger Henchman
G
Gaetano Quartararo
Commissioner Mariotti
G
Gustavo Simeone
B
Ben Braien
C
Costanza Strina
Giancarlo Prete
Lamarro Henchman
Dante Posani
Jim
Helga Liné
Gloria
Fulvio Mingozzi
Party Guest (uncredited)
F
Francesco Narducci
Sergeant Joe (uncredited)