Kirk Douglas
The titular protagonist, a slave sentenced to fight as a gladiator in Ancient Rome. Over the course of the movie, he becomes a skilled fighter and army general, gaining increasingly influential positions.
Laurence Olivier
A Roman senator who aims to become the dictator of Rome, who buys Spartacus along with other slaves to fight in pairs for amusement. Becomes Spartacus' main opponent over the course of the movie.
Jean Simmons
A servant woman, and Spartacus's lover and romantic interest, whom he eventually has a child with.
Charles Laughton
Crassus's political enemy, who uses underhanded tactics to try and dislodge him.
Peter Ustinov
Sycophantic Roman businessman who ran the school Spartacus trained at for gladiating. Friend of Gracchus.
Tony Curtis
Slave entertainer who originally served Cracchus, however he defected after Cracchus made sexual advances on him.
John Gavin
Young Roman senator and Gracchus's protege. An army leader.
Nick Dennis
the God of wine, grapes, and feasts