[6] He has also appeared in the television series Doc Martin and Casualty and co-starred in Mansfield Park (2007) 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.

[7][8] Morgan played Niklaus Mikaelson in The CW's supernatural drama The Vampire Diaries, a television adaptation of the book series of the same name as well as in its spin-off The Originals.

[16] Morgan joined the cast for season 2 of Halo, which aired in February 2024, alongside fellow newcomer Cristina Rodlo.

[17] He plays James Ackerson, an operative of the secretive Office of Naval Intelligence, of the United Nations Space Command (UNSC).