Played lead role in Antonia Bogdanovich's "Phantom Halo"
Began recurring role on HBO fantasy "Game of Thrones"
Started voicing the role of Ferb in "Phineas and Ferb"
Breakout film role in "Love Actually"
Brodie-Sangster had to learn how to play the guitar left handed while appearing as a teenage Paul McCartney in 2009's "Nowhere Boy."