Renzo Palmer

as capitano Carlo Morelli

as Carabinieri Major Giorgione

as il cardinale Zio

as Parenti

as Commissioner Astalli

as Baruffi

as Pietro

as Fra' Ludovico da Rieti

as Gaetano Sampioni

as RCMP Sergeant

as Police Inspector

as Cardinal Severini

as Giorgio

as padre Lucion

as Commissario Baldo

as Sgt. Donald Mulligan

as Mayor

as Monk

as Mr. Hammond

as Le voleur de tableaux

as Barrington

as Baldassarre, lo sfasciaarrozze

as Partigiano Taddei

as Cavicchioni

as Narrator (voice)