He starred in the first series of the Sky One Television Series Hex, as Troy and has appeared in supporting roles in films such as Alexander and Master and Commander: The Far Side of the World and the BBC2 miniseries, The Line of Beauty. He has also appeared in the television series Doc Martin and Casualty and co-starred in Mansfield Park alongside Billie Piper. In 2010 he played the title role in the mini-series "Ben Hur" which first aired on CBC television in Canada and ABC TV in America, on 4 April 2010. He plays Niklaus in the The CW's The Originals and in The Vampire Diaries and played Lysander in the 2011 film Immortals, alongside Henry Cavill. BuddyTV ranked him #84 on its list of "TV's Sexiest Men of 2011". On 11 January 2013 it was announced that a back-door pilot focused on the Originals, starring Joseph Morgan as Niklaus Mikaelson titled The Originals will air on 25 April 2013 for a potential series pick-up for the 2013–2014 season. In 2013 Morgan made his debut as single-director with his short film Revelation, which stars Persia White. On 26 April 2013, it was announced that the back-door pilot focused on the originals was picked-up for the 2013–2014 season on The CW.