He cites Joaquin Phoenix 's portrayal of Commodus in Gladiator , along with Wortham Krimmer 's work as Emperor Cartagia in Babylon 5 , as influences on his performance .
Gleeson starred as Joffrey Baratheon in the HBO series Game of Thrones .
Gleeson cites Joaquin Phoenix 's portrayal of Commodus in Gladiator , along with Wortham Krimmer 's work as Emperor Cartagia in Babylon 5 , as influences on Gleeson 's performance .
Gleeson starred as Joffrey Baratheon in the HBO series Game of Thrones .