| Darsteller | Rolle |
|---|---|
| Kerry Condon | Octavia of the Julii (22) |
| Polly Walker | Atia of the Julii (22) |
| Kevin McKidd | Lucius Vorenus (22) |
| Ray Stevenson | Titus Pullo (22) |
| James Purefoy | Mark Antony (22) |
| Ian McNeice | Newsreader (20) |
| Coral Amiga | Vorena the Elder (19) |
| Lindsay Duncan | Servilia of the Junii (18) |
| Lidia Biondi | Merula (18) |
| Tobias Menzies | Marcus Junius Brutus (17) |
| Nicholas Woodeson | Posca (17) |
| Indira Varma | Niobe (15) |
| Manfredi Aliquo | Castor (15) |
| Chiara Mastalli | Eirene (15) |
| David Bamber | Marcus Tullius Cicero (15) |
| Suzanne Bertish | Eleni (14) |
| Ciarán Hinds | Gaius Julius Caesar (13) |
| Lee Boardman | Timon (13) |
| Max Pirkis | Gaius Octavian (13) |
| Esther Hall | Lyde (13) |
| Anna Fausta Primiano | Vorena the Younger (12) |
| Michael Nardone | Mascius (10) |
| Guy Henry | Cassius (8) |
| Anna Francolini | Clarissa (8) |
| Kenneth Cranham | Pompey Magnus (8) |
| Allen Leech | Marcus Vipsanius Agrippa (8) |
| Paul Jesson | Scipio (7) |
| Karl Johnson | Porcius Cato (7) |
| Daniel Cerqueira | Memmio (7) |
| Camilla Rutherford | Jocasta (7) |
| Alex Wyndham | Gaius Maecenas (7) |
| Zuleikha Robinson | Gaia (7) |
| Simon Woods | Gaius Octavian Caesar (7) |
| Alessio Cuna | Lucius (7) |
| Lorcan Cranitch | Erastes Fulmen (6) |
| Massimiliano Ubaldi | Ubian #1 (6) |
| Valery Usai | Vorena the Younger (6) |
| Nigel Lindsay | Levi (6) |
| Haydn Gwynne | Calpurnia (5) |
| Rick Warden | Quintus Pompey (5) |
| Lyndsey Marshal | Cleopatra (5) |
| Simone De Marinis | Atia's Slave (4) Merula - Atia's Slave |
| Sara Pasqualone | Bec (5) |
| Amy Marston | Deborah (5) |
| Julienne Liberto | |
| Dominic Atherton | Yesh (5) |
| Andrea De Santis | Phidias (4) |
| David Quinzi | Rubio (4) |
| Marco Pollak | Lucius (4) |
| John Boswall | Curial Magistrate (4) |
| Kathryn Hunter | Charmian (4) |
| Alessio Di Cesare | Rubio (4) |
| Enzo Cilenti | Evander Pulchio (4) |
| Alan Williams | Acerbo (4) |
| Cosimo Fusco | Hannibal Cotta (4) |
| Ronan Vibert | Lepidus (4) |
| Clive Riche | Tyro (4) |
| Graham McTavish | Urbo (2) |
| Kevin Dignam | Lictor (2) Head Lictor |
| Anna Patrick | Cornelia (3) |
| Nico Toffoli | Roman Legionaire (3) |
| Roberto Purvis | |
| Matt Patresi | Durio (3) |
| Rocky Marshall | Omnipor (3) |
| Alice Henley | Livia Drusilla (3) |
| Max Baldry | |
| Rafi Gavron | Duro (3) |
| Robert Dearle | Roman Senator Plague Victim |
| Ewan Bailey | Pertinax (2) |
| Giovanni Calcagno | Vercingetorix (2) |
| Roger Hammond | Chief Augur (2) |
| David Kennedy | Lucius Septimius (2) |
| Michele Pettini | Son of Pompey (2) |
| Eliza Darby | Daughter of Pompey (2) |
| Paolo Risi | Cato the Dwarf (2) |
| Sean Madden | Otho (2) |
| Antonio Ragusa | Legionary (2) |
| Ted Rusoff | Strabo (2) |
| Bart Ruspoli | Tribune Antony's Tribune |
| Leslie Csuth | |
| Frank Baker | Doctor (2) |
| Ilir Jacellari | Roman Solder (2) |
| Deborah Moore | Alfidia (2) |
| Anne Lambton | |
| Nuccio Siano | Saul (2) |
| Federico Firmani | Gaul Boss (2) |
| Rebekah Staton | Althea (2) |
| Carlotta Montanari | Beggar (2) |
| Giacomo Gonnella | Carbo (2) |
| Javier Torrecillas | Quintus Boss Barca |
| Stefan Brown | Lucius (2) |
| Helen Stirling | Old Weaver |
| Robin Sneller | Cloth Maker |
| Tom Shaker | Court Lictor |
| Oreste Rotundo | Aufidius Dento |
| Julian Rivett | Lawyer #3 |
| Danny Midwinter | Gladiator #1 |
| Stefano Miceli | Lawyer #2 |
| Cristina Mantis | |
| Bruce Mackinnon | |
| Paul Kynman | Gladiator #2 |
| Peter Eyre | Accusator Nigidius |
| Douglas Dean | Lawyer #1 |
| Michael Culkin | Presiding Magistrate |
| Tommaso Sacco | Centurion |
| Hugh Sachs | Clerk |
| Abhin Galeya | Oedipus |
| Peter-Hugo Daly | Heckler |
| Dominic Coleman | Centurion |
| Dominic Rickhards | Aquinas |
| Adam Levy | Saul |
| Nicholas Hewetson | |
| Jonathan Coy | Actor for Cato |
| Federico Torre | Heckler |
| Riccardo Antuoni | Ministro |
| Axel Schumacher | |
| Grant Masters | Achillas |
| David de Keyser | Theodotus |
| Tony Guilfoyle | Pothinus |
| Enoch Frost | Nubian Soldier |
| Scott Chisholm | |
| Shaka Bunsie | Hutto |
| Franco Troscia | Body Slave |
| Steve Swinscoe | Officer |
| Francesco Sensi | Legionary |
| Vincenzo Nicoli | Lysandros |
| Daren Elliott Holmes | Fulvio |
| Silvio Evangelista | Nude man, gift from Atia to Servilia |
| Andrew Scarborough | Milo |
| Stan Rosen | Numa |
| Georgie Glen | |
| Francesca Fowler | Egeria |
| Simon Callow | Publius Servilius |
| Francesca Berrettini | Cynthia |
| Lynda Baron | Madame |
| Norma Atallah | Female Merchant |
| Parvez Qadir | Tanjit |
| Massimo Pupella | Whistling Legionary |
| Eddie Osei | African Barkeep |
| John Bennett | Elderly Priest |
| Steve Ramsden | Senior Legionary |
| Maggie McCarthy | Drusilla |
| Barbara Marten | Diviner |
| Paola Lavini | Phyllis |
| Richard Katz | Volpe |
| Francesca Romana Coluzzi | Demeter |
| Cesare Cremonini | Arena Hackler |
| Vittorio Amandola | Proculus |
| Carla Cagnetti | Maidservent |
| Alessandra Stordy | Iolanthe |
| Stu Rosen | Numa |
| Andrew Greenough | Appius |
| Anthony Souter | Marcelus |
| Sebastiano Vinci | Wild Eyed Man |
| Ilaria Stivali | |
| Jonathan Readwin | Crito |
| Alessandro Prete | Tarquin |
| Sergio Di Pinto | Stilicho |
| Francesco Pini | Slave Dealer |
| Maura Orefici | Priest |
| Alessandro Inchiappa | Courier |
| Peter Lavin | Additional Voices |
| Steven Blake | Prisoner |
| Alan Stocks | Andros |
| Gerard Monaco | Lyco |
| Bob Mercer | Slave Trader |
| Steven Matthew | Prisoner |
| Russell Mabey | Crucified Man |
| Lydia Leonard | Julia |
| Fabio Carfora | Sextus |
| Allan Caister Pearce | |
| Tim Faraday | Chief Legionary |
| Alex Mariotti | Tribune |
| René Zagger | Herod |
| Giannina Salvetti | |
| Alessandro Ruo | Pontifex Maximus |
| Tyrone Huggins | Bestiary |
| Stefano Gragnani | Old Man |
| Mimmo Esposito | Augur |
| Stefano Consolini | Cantor |
| Marco Pancrazi | Roman Soldier |
| Daniel Tatarsky | Timon's Thug |
| Julian Stolzenberg | Bearded Man #2 |
| Niko Nicotera | Messenger |
| Valerio Isidori | Blinded Man |
| Linal Haft | Bearded Man |
| Ian Gunn | Confidential Agent |
| Vernon Dobtcheff | Rabbi |
| Adriana De Guilmi | Chaperone |
| Giorgio Antonini | Guardsman |
| Chris Anderson | Aide de Camp |
| Christopher Sciueref | Soldier #1 |
| Paolo Paoloni | Priest |
| Romuald Andrzej Klos | Sentinella |
| Simon Smith | Overseer |
| Andy Linden | Procurator |
| Russell Byrne | Tribune |
| Kevin Johnson | Guard |
| Emilio De Marchi | Vizier |
| Alessandro Cremona | Pontic Dignitary |
| Allan Corduner | Clerk |
| Bruno Bilotta | |
| Nadia Baldi | Mrs. Bubo |
| Federico Pacifici | Veteran Boss |
| Michele Melega | Head Priest |
| Edward de Souza | Rich Merchant |
| Nicolo Brecci | Caesarion |
| David Toole | |
| Sgarbi Roberto | |
| Jay Simpson | Triolus |
| Tim Barlow | Ancient Blind Oracle |
| Lorenza Damiani | Venus |
| Peter Gevisser | Casca |
| Simon Gregor | Artist |
| Luigi Santamaria | Flamen Priest |
| Pip Torrens | Cimber |
| Noa Bodner | Prostitute |
| Kammy Darweish | Rhodomates |
| Jack Ellis | Bibulus |
| Charlie Anson | Emmissary |
| Richard Dillane | Centurion Vallo |
| Matthew Eggleton | Egyptian Courtier |
| Sara Kestelman | The Old Witch |