Memo Benassi

Character: John Brown, il detective

Leda Gloria

Character: Anna

Giuditta Rissone

Character: Alice

Ninì Dinelli

Character: Clara

Lamberto Picasso

Character: Fersen

Ernesto Sabbatini

Character: Ammiraglio Morstan

Mino Doro

Character: Carlo

Fosco Giachetti

Character: Raythan

Alexandre Mihalesco

Character: Jackie

Oreste Fares

Character: Mister Baskerville

Giovanni Ferrari

Character: Un autista