Kevin McKiddLucius Vorenus Ciarán HindsJulius Caesar Polly WalkerAtia of the Julii Lindsay DuncanServilia of the Junii Tobias MenziesMarcus Junius Brutus Kerry CondonOctavia of the Julii David BamberMarcus Tullius Cicero Indira VarmaNiobe of the Voreni Kenneth CranhamGnaeus Pompey Magnus Simon WoodsGaius Octavian Caesar Allen LeechMarcus Vipsanius Agrippa Camilla RutherfordJocasta Lorcan CranitchErastes Fulmen Alice HenleyLivia Drusilla John BennettElderly Priest Tim BarlowAncient Blind Oracle Scott ChisholmKing Ptolemy XIII Ilaria StivaliPeasant Woman Francesca BerrettiniCynthia Liliana MeleCleopatra's Assistant Umberto De LucaTorturer (uncredited) Chris AndersonAide de Camp Christopher SciuerefSoldier #1 Michael AptedRegisseur / Schrijver / Producer Steve ShillRegisseur / Schrijver Bruno HellerSchrijver / Executive Producer Todd Ellis KesslerSchrijver / Producer John MiliusSchrijver / Executive Producer William J. MacDonaldSchrijver / Executive Producer Alexandra CunninghamSchrijver Fabiomassimo Dell'OrcoProducer Frank DoelgerExecutive Producer Anne ThomopoulosExecutive Producer Jane TranterExecutive Producer Gareth NeameExecutive Producer Emanuele CotumaccioProducer Marco Valerio PuginiProducer Gianfranco PierantoniProducer John MelfiExecutive Producer April FerryCostume Design Eugene KellyCo-Executive Producer 
