Kevin McKidd
Lucius Vorenus (22 eps)
Ray Stevenson
Titus Pullo (22 eps)
Ciarán Hinds
Julius Caesar (22 eps)
James Purefoy
Mark Antony (22 eps)
Polly Walker
Atia of the Julii (22 eps)
Tobias Menzies
Marcus Junius Brutus (22 eps)
Lindsay Duncan
Servilia of the Junii (22 eps)
Nicholas Woodeson
Posca (22 eps)
Kerry Condon
Octavia of the Julii (22 eps)
David Bamber
Marcus Tullius Cicero (22 eps)
Max Pirkis
Gaius Octavian (22 eps)
Chiara Mastalli
Eirene (22 eps)
Lee Boardman
Timon (22 eps)
Ian McNeice
Newsreader (22 eps)
Indira Varma
Niobe of the Voreni (13 eps)
Manfredi Aliquò
Castor (12 eps)
Kenneth Cranham
Gnaeus Pompey Magnus (12 eps)
Simon Woods
Gaius Octavian Caesar (10 eps)
Tommaso Sacco
Centurion (10 eps)
Zuleikha Robinson
Gaia (7 eps)
Michael Nardone
Mascius (7 eps)
Camilla Rutherford
Jocasta (6 eps)
Guy Henry
Cassius (6 eps)
Daniel Cerqueira
Memmio (6 eps)
Lyndsey Marshal
Cleopatra (4 eps)
Ronan Vibert
Lepidus (3 eps)
Lorcan Cranitch
Erastes Fulmen (3 eps)
Anna Patrick
Cornelia (3 eps)
Maxim Baldry
Caesarion (3 eps)
Rafi Gavron
Duro (3 eps)
Alice Henley
Livia Drusilla (3 eps)
Roger Hammond
Chief Augur (2 eps)
Ted Rusoff
Strabo (2 eps)
Haydn Gwynne
Calpurnia (2 eps)
John Bennett
Elderly Priest (1 eps)
Tim Barlow
Ancient Blind Oracle (1 eps)
Lydia Leonard
Julia (1 eps)
Vincenzo Nicoli
Lysandros (1 eps)
Lynda Baron
Madame (1 eps)
Francesca Fowler
Egeria (1 eps)
Hugh Sachs
Clerk (1 eps)
Bob Mercer
Slave Trader (1 eps)
Andrew Scarborough
Milo (1 eps)
Jonathan Readwin
Crito (1 eps)
Scott Chisholm
King Ptolemy XIII (1 eps)
Abhin Galeya
Oedipus (1 eps)
Ilaria Stivali
Peasant Woman (1 eps)
Francesca Berrettini
Cynthia (1 eps)
Liliana Mele
Cleopatra's Assistant (1 eps)
Umberto De Luca
Torturer (uncredited) (1 eps)