Il trattato scomparso
Genre: Mystery
Cast: Memo Benassi, Leda Gloria, Giuditta Rissone, Ninì Dinelli, Lamberto Picasso, Ernesto Sabbatini, Mino Doro, Fosco Giachetti, Alexandre Mihalesco, Oreste Fares, Giovanni Ferrari
Crew: Mario Bonnard (Director), Mario Bonnard (Screenplay), Mario Bonnard (Producer), Mario Bonnard (Editor), Giulio Bonnard (Music)