Question: What is the nationality of the actor who plays a Thracian gladiator who, from 73 to 71 BC, led a major slave uprising against the Roman Republic?

Context paragraphs:
Spartacus: Blood and Sand: Spartacus: Blood and Sand is the first season of American television series "Spartacus", which premiered on Starz on January 22, 2010.  The series was inspired by the historical figure of Spartacus (played by Andy Whitfield), a Thracian gladiator who from 73 to 71 BC led a major slave uprising against the Roman Republic.  Executive producers Steven S. DeKnight and Robert Tapert focused on structuring the events of Spartacus' obscure early life leading up to the beginning of historical records.

Spartacus (Triumvirat album): Spartacus is the third album by the German group Triumvirat.  It is a concept album based on Spartacus, the Thracian gladiator who led the 3rd slave uprising in 73–71 BC.  The lyrics were written by Hans Bathelt, with contributions by Jürgen Fritz.  It was originally released in 1975 on the EMI label, and later distributed in the U.S. by Capitol.  It debuted at number 27 on the "Billboard" album charts.

Gannicus: Gannicus was a Celtic slave, who together with the Thracian Spartacus, Crixus, Castus and Oenomaus, became one of the leaders of rebel slaves during the Third Servile War (73–71 BC).  In the winter of 71 BC, Gannicus, along with Castus, broke off from Spartacus, taking a large number of Celts and Germans with them, marking the second detachment of the rebellion.  Gannicus and Castus met their end in Lucania near Mount Soprano (Mount Camalatrum), where Marcus Licinius Crassus, Lucius Pomptinus and Quintus Marcius Rufus entrenched their forces in battle and defeated them.

Lentulus Batiatus: Gnaeus Cornelius Lentulus Batiatus (or, possibly, Vatia) was the Roman owner of a gladiatorial school in Capua.  It was from this school that, in 73 BC, the Thracian slave Spartacus and about 70 to 78 followers escaped.  The break-out led to the slave rebellion known as the Third Servile War (73–71 BC).

Spartacus (TV series): Spartacus is an American television series produced in New Zealand that premiered on Starz on January 22, 2010, and concluded on April 12, 2013.  The fictional series was inspired by the historical figure of Spartacus, a Thracian gladiator who from 73 to 71 BCE led a major slave uprising against the Roman Republic departing from Capua.  Executive producers Steven S. DeKnight and Robert Tapert focused on structuring the events of Spartacus' obscure early life leading up to the beginning of historical records.

Liam McIntyre: Liam James McIntyre (born 8 February 1982) is an Australian actor best known for playing the lead role in the Starz television series "" and "".  He has also appeared "The Legend of Hercules", "The Flash", and "Gears of War 4", amongst other roles.  He currently stars as Dr. Eli Nader on "Pulse".

List of Spartacus characters: "Spartacus" is a set of Starz television series that focuses on the historical figure of Spartacus, a Thracian gladiator who from 73 to 71 BC led a major slave uprising against the Roman Republic.  Executive producers Steven S. DeKnight and Robert Tapert focused on structuring the events of Spartacus' obscure early life leading to the records of history.  This article serves as a list of characters for the television series.

Castus (rebel slave): Castus was a Gallic slave, who together with the Thracian Spartacus, the fellow Gauls Crixus and Gannicus, alongside Oenomaus, was one of the leaders of rebellious slaves during the Third Servile War (73-71 BC).  He was killed along with his co-commander Gannicus and their Gallic and Germanic followers by Roman forces under Marcus Licinius Crassus at the Battle of Cantenna in Lucania in 71 BC.

Spartacus: War of the Damned: Spartacus: War of the Damned is the third and final season of the American television series "Spartacus", a Starz television series, which follows "".  The series was inspired by the historical figure of Spartacus (played by Liam McIntyre from second season and Andy Whitfield in first season), a Thracian gladiator who, from 73 to 71 BC, led a major slave uprising against the Roman Republic.  It premiered on January 25, 2013 and concluded on April 12, 2013.

Spartacus: Spartacus (Greek: Σπάρτακος "Spártakos "; Latin: "Spartacus;" c. 111–71 BC) was a Thracian gladiator who, along with the Gauls Crixus, Gannicus, Castus, and Oenomaus, was one of the escaped slave leaders in the Third Servile War, a major slave uprising against the Roman Republic.  Little is known about Spartacus beyond the events of the war, and surviving historical accounts are sometimes contradictory and may not always be reliable.  However, all sources agree that he was a former gladiator and an accomplished military leader.

Supporting paragraphs: Spartacus: War of the Damned Liam McIntyre
Answer: Australian