
Colin Morgan is an actor from Northern Ireland. He is known for playing the title character in the BBC fantasy series Merlin (2008–2012), Leo Elster in Humans (2015–2018), and Billy Clanton in Kenneth Branagh's Belfast (2021).
Morgan made his London theatre debut in 2007 as the title character in DBC Pierre's Vernon God Little. He went on to appear in the theatre productions Pedro Almodóvar's Todo sobre mi madre ("All About My Mother") in 2007, Thomas Babe's A Prayer for My Daughter in 2008, Pedro Miguel Rozo's Our Private Life in 2011, Step in Time at The Old Vic 24 Hour Musicals Celebrity Gala in 2012, Shakespeare's The Tempest in 2013, and Jez Butterworth's Mojo during 2013 and 2014.
In July 2008, Screen International named Morgan as a "Star of Tomorrow". For his performance in Merlin, Morgan was nominated for Outstanding Actor (Drama) in the Monte Carlo TV Festival Awards in 2009, 2010, and 2011, and Best Actor in Drama Performance: Male in the National Television Awards in 2013.

Legend
2015 · as Frank Shea

The Huntsman: Winter's War
2016 · as Duke of Blackwood

Once Upon a Time in a Cinema
2026 · as Earl Clancy

Belfast
2021 · as Billy Clanton

Testament of Youth
2015 · as Victor Richardson

Dead Shot
2023 · as Michael O'Hara

Corsage
2022 · as Bay Middleton

The Dead Don't Hurt
2024 · as Lewis Cartwright

The Happy Prince
2018 · as Alfred 'Bosie' Douglas

Benjamin
2019 · as Benjamin

The Real Merlin and Arthur
2009 · as Colin Morgan

The Rising: 1916
as Seán Mac Diarmada/John MacDermott

Island
2011 · as Calum

Parked
2010 · as Cathal O'Regan

Long Day's Journey into Night
2025 · as Edmund Tyrone

Heartless

The Tempest - Live at Shakespeare's Globe
2014 · as Ariel

Waiting for You
2017 · as Paul Ashton