Luigi De Filippo

as Umberto

as Mosca

as Nicola Sant'Elmo

as Commilitone di Nicola

as Zitto-Zitto

as Achille, il tabaccaio / Segretario del duca

as Pasquale Gagliardelli

as Camilluccio

as Don Gaetano Palumbo

as Edoardo Scarfoglio