Oscar Isaac played a fictional character.
Oscar Isaac . He is known for his lead film roles in the comedy-drama Inside Llewyn Davis ( 2013 ) , for which he received a Golden Globe Award nomination , the crime drama A Most Violent Year ( 2014 ) and the science fiction thriller Ex Machina ( 2015 ) , in which he played Nathan Hamlet Bateman . In 2006 , he portrayed Saint Joseph , husband of Mary , in The Nativity Story . He also portrayed José Ramos-Horta , former president of East Timor , in the Australian film Balibo for which he won the AACTA Award for Best Actor in a Supporting Role . He appeared in Star Wars : The Force Awakens ( 2015 ) , as X-wing pilot Poe Dameron , and in X-Men : Apocalypse ( 2016 ) , as the titular mutant supervillain Apocalypse . Poe Dameron is a fictional character in the Star Wars franchise .