Richard Harris as John

Benjamin Sadler as Valerius

Christian Kohlund as Quintus Maximus

Vittoria Belvedere as Irene

Erol Sander as Ionicus

Ian Duncan as Demetrius

Bruce Payne as Domitian

Walter Nudo as Hermes

Constantine Gregory as Corvus

Luca Ward as Eracle

Matt Patresi as Titone

Loris Loddi as Watchman

Massimiliano Pazzaglia as Silvano

Aaron Taylor-Johnson as Johanan

Alex McSweeney as Lucius

Carlo Greco as Senator

Luigi Diberti as Elder

Paolo Villaggio as Gaio

Jan Michelini as Christ

Alessandro Bertolucci as Marcello

Stefania Rivi as Bride