Mark O'Brien
Born: 1984-05-07
Place of Birth: St. Johns, Newfoundland, Canada
Biography
Mark O'Brien (born May 7th, 1984) is a Canadian actor and director. He is best known for playing the role of Des Courtney in Republic of Doyle (2010) and Tom Rendon in Halt and Catch Fire (2014).
Known For
Nuremberg
2025★ 7.3
Arrival
2016★ 7.6
Ready or Not
2019★ 7.0
Marriage Story
2019★ 7.7
Kin
2018★ 6.1
Bad Times at the El Royale
2018★ 6.8
Seven Veils
2025★ 5.6
Blue Bayou
2021★ 7.5
The Righteous
2021★ 6.2
The Darkest Minds
2018★ 7.0
Goalie
2019★ 7.0
Snarbuckled
2010★ 0.0
Shadow of God
2025★ 5.7
Anon
2018★ 6.0
How It Ends
2018★ 5.3
Hammer
2019★ 5.4
Falsehood
2025★ 0.0
Parallel
2018★ 6.0
How to Plan an Orgy in a Small Town
2015★ 5.1
Wanderer
2016★ 0.0
The Front Runner
2018★ 5.9
State Like Sleep
2019★ 4.7
Dennis
2015★ 0.0
The Four Horsemen
2008★ 3.8
The Dark Stranger
2016★ 4.9
End of Days, Inc.
2015★ 5.6
Grown Up Movie Star
2009★ 5.1
Topper
2025★ 5.3
The One That Got Away
2008★ 4.3
Beat Down
2012★ 0.0
Heartless Disappearance Into Labrador Seas
2008★ 0.0