Gabriele Ferzetti

as Enrico

as Edoardo Recchi Senior

as Tommaso Pasini

as The Duke of Venice

as Alfredo

as Alberto

as Turkish Brigadier

as Dr. Lutz

as Emilio Rospini

as Valerio

as Antonio Vicari

as Maurice

as Valerio

as Professor Andrea Icardi

as Dr. Emilio Rutelli

as Hans

as Prof. Daniele Vallotti

as Generalfeldmarschall Wilhelm Keitel

as Pablo Moncada

as Inspector Bardeche

as Kohoutek

as Paolo Marchesi

as Marc Ange Draco

as Biagio

as Don Francesco DeMarco

as Morton

as Stefano

as Avvocato Rosello

as Lorenzo de' Medici

as Lot

as le comte Larsi

as Victor Dermott

as Edmondo Raumo

as Franco Villani

as Sandro

as Senator Quintus Fabius

as Giulio Ferrari

as Maurizio

as Lorenzo

as Fernando Maestrelli

as Professor Franco Vagnuzzi

as (uncredited)