Challenge of the Gladiator (1965)

Treacherous Roman senator Lucius Quintilius plans a secret journey into Thrace to recover a legendary treasure He is accompanied by his daughter Livia posing as a Christian slave girl his cruel henchman Commodio and Terenzius an exgladiator and Nero lookalike who fools the local Thracians into believing he is the real Emperor But Luciuss plans are thwarted by Spartacus and his band of rebels who succeed in capturing the treasure for Thrace When news arrives from Rome that the real Nero has died local Roman governor Consul Metellus joins forces with Spartacus to defeat the traitors