A retired ex-criminal, the notorious Mister X, must clear his name when an up-and-comer commits a heinous copycat crime.
Pier Paolo Capponi
as Mister X
Gaia Germani
as Timy
Armando Calvo
as George Lamarro
Anna Zinnemann
as Dolly
Umberto Raho
as Jack MacDougall
Renato Baldini
as Antonio 'Joe' Caruso
Franco Fantasia
as Inspector Roux
Antonio Gradoli
as Commissioner Sebastian
Nieves Salcedo
as Veronica Strindberg
Pino Polidori
as Lembus
Brizio Montinaro
as Younger Henchman
Gaetano Quartararo
as Commissioner Mariotti
