William J. Macdonald Creator, Executive Producer John Milius Creator, Executive Producer Bruno Heller Creator, Executive Producer Kevin McKidd Lucius Vorenus Actor Ray Stevenson Titus Pullo Actor Polly Walker Atia of the Juli Actor James Purefoy Mark Antony Actor Tobias Menzies Marcus Junius Brutus Actor Lindsay Duncan Servilia of the Junii Actor Max Pirkis Gaius Octavian Actor Kerry Condon Octavia of the Julii Actor Lyndsey Marshal Cleopatra Actor Zuleikha Robinson Gaia Actor Simon Woods Gaius Octavian Caesar Actor Indira Varma Niobe Guest Star Nicholas Woodeson Posca Guest Star Allen Leech Marcus Vipsanius Agrippa Guest Star Alex Wyndham Gaius Maecenas Guest Star Ian McNeice Newsreader Guest Star Camilla Rutherford Jocasta Guest Star Daniel Cerqueira Memmio Guest Star Michael Nardone Mascius Guest Star Alan Williams Guest Star Coral Amiga Vorena the Elder Guest Star Esther Hall Lyde Guest Star Manfredi Aliquo Castor Guest Star Lidia Biondi Merula Guest Star Kammy Darweish Rhodomates Guest Star Jack Ellis Bibulus Guest Star Alice Henley Livia Drusilla Guest Star Kathryn Hunter Charmian Guest Star Anne Thomopoulos Executive Producer Frank Doelger Executive Producer Lucy Richer Executive Producer Mere Smith Writer Steve Shill Director