Renzo Ozzano

as Commissario Ferri (118 episodes)

as maggiordomo di casa Colombo

as Inspector Fix (10 episodes)

as Renzo

as Commissario francese

as Garganese, presidente del manicomio

as Fisrt Thief

as il "morto" apparente

as Walter A, Thompson

as Vasha Milova

as l'uomo nella camera d'albergo

as Bruno Bartocci

as L'agente Benson

as il Concierge (episodio "Venerdì")

as maitre

as The sergeant

as capo dei militari svizzeri (3° episodio)

as Capo-stazione

as Sergente

as Cashier