
David Patrick O'Hara (born 9 July 1965) is a Scottish stage and character actor. A graduate of the Royal Central School of Speech and Drama in London, he is best known to audiences for his numerous supporting roles in high-profile films; including Irishman Stephen in Braveheart, dimwitted mobster Fitzy in The Departed, hitman Mr. X in Wanted, and Albert Runcorn in Harry Potter and the Deathly Hallows – Part 1. He portrayed Det. Danny 'Mac' McGregor on The District, and Henry Howard, Earl of Surrey on The Tudors.
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Harry Potter and the Deathly Hallows: Part 1
2010 · as Albert Runcorn

The Departed
2006 · as Fitzy

Braveheart
1995 · as Stephen, Irish Fighter

Cowboys & Aliens
2011 · as Pat Dolan

The Devil's Own
1997 · as Martin MacDuff

Hotel Rwanda
2004 · as David

Wanted
2008 · as Mr. X

Horizon: An American Saga - Chapter 1
2024 · as Bowler Hat Surveyor

Cold Pursuit
2019 · as Gallum 'Sly' Ferrante

Doomsday
2008 · as Michael Canaris

Contraband
2012 · as Jim Church

Jesus
1999 · as John The Baptist

Tristan & Isolde
2006 · as Donnchadh

Horizon: An American Saga - Chapter 2
2024

The Professor and the Madman
2019 · as Church

The Match
1999 · as Mechanic

Crossfire Trail
2001 · as Rock Mullaney

Attack on Darfur
2009 · as Freddie Smith