"A self-taught amateur detective who learned his trade from a book finds himself caught between two gangs in Milan, trying to recover a wooden leg full of drugs. He is accompanied by an unlikely trio: a deaf secretary, an undertaker and a monkey."
Henri Salvador
as Gregg
Valeria Fabrizi
as Morenita
Memmo Carotenuto
as Sam Pestalozzo
Aldo Giuffrè
as Manone
Nino Taranto
as Don Cicillo
Francis Blanche
as Capitano Fornace
Dolores Palumbo
as Paola
Nello Appodia
as
Luigi Borghese
as Bobo
Pietro De Vico
as Un brigadiere
Giustino Durano
as Un malvivente
Ignazio Leone
as Un membro della banda di Manone
Enzo Maggio
Alfonso Mathis
Romano Milani
Mario Passante
as Un membro della banda di Don Cicillo
Carlo Pisacane
Mario Polletin
Luigi Radici
Amerigo Santarelli
Fausto Signorelli
Renato Terra
Gilberto Trampini
Sandro Valletti
Piero Vidali
Writer
Bernard-Roland
Director