Slaves •
Andy Whitfield as
Spartacus – a
Thracian warrior who is condemned to slavery as a gladiator. After the death of Spartacus' wife, Sura, he becomes Mira's lover. •
Manu Bennett as
Crixus – a
Gaul who is Batiatus' top gladiator prior to Spartacus's arrival. He is Naevia's lover and Lucretia's unwilling lover. •
Peter Mensah as
Oenomaus/Doctore – an
African slave who serves as trainer of Batiatus' gladiators. •
Nick E. Tarabay as Ashur – a former gladiator from
Syria whose leg was crippled in the arena by
Crixus. He now serves Batiatus as a
bookkeeper and henchman. •
Jai Courtney as Varro – a Roman citizen who sold himself to the
ludus to support his family, and who soon becomes Spartacus' confidant and friend in the ludus. •
Antonio Te Maioha as Barca – nicknamed the "Beast of Carthage", he is one of Batiatus' most successful gladiators and serves as a
bodyguard for his
dominus. •
Eka Darville as Pietros – Barca's younger gay lover and partner. •
Lesley-Ann Brandt as Naevia – Lucretia's loyal body slave. She is Crixus' lover. •
Erin Cummings as Sura – Spartacus' wife. •
Katrina Law as Mira – a slave girl sent, under threat of death, to seduce Spartacus and become his lover. Ultimately she falls in love with him. •
Dan Feuerriegel as Agron – a new
German gladiator recruit who helps Spartacus plot his uprising. He is also Duro's older brother. • Andre Cunningham as Duro- a new German gladiator recruit and Agron's younger brother.
Romans •
John Hannah as Quintus
Lentulus Batiatus – a
lanista and Spartacus'
dominus. •
Lucy Lawless as Lucretia – Batiatus' wife and Crixus' lover. •
Viva Bianca as Ilithyia – the daughter of
Roman senator Albinius and wife of
legatus Gaius Claudius Glaber. •
Craig Parker as
Gaius Claudius Glaber – a
legatus in the
Roman Army who is responsible for Spartacus' enslavement. • Craig Walsh Wrightson as Solonius – a former close friend, but now the greatest rival to the House of Batiatus. •
Brooke Williams as Aurelia – Varro's wife. ==Style==