Mark O'Brien

Mark O'Brien

  • Known For: Acting
  • Birthday: 07-05-1984
  • Gender: Male
  • Place of Birth: Canada
  • Also Known As:

    Mark O’Brien

  • Popularity: 1.10
  • Homepage: N/A

Mark O'Brien (born May 7, 1984) is a Canadian actor and director. He is best known for playing the role of Des Courtney in Republic of Doyle and Tom Rendon in Halt and Catch Fire.

Year Movie Character
2008 The Four Horsemen as Eric Rollins
2015 End of Days, Inc. as Jason
2019 Goalie as Terry Sawchuk
2019 Hammer as Chris Davis
2018 Anon as Cyrus Frear
2020 Parallel as Josh
2009 Grown Up Movie Star as Will
2016 The Dark Stranger as Mark
2016 Arrival as Captain Marks
2019 State Like Sleep as Darren
2018 How It Ends as Jeremiah
2012 Beat Down as Michael
2012 Beat Down as Father Tyrone
2019 Ready or Not as Alex
2018 The Darkest Minds as Rob Meadows
2015 How to Plan an Orgy in a Small Town as Bruce Buck
2018 Bad Times at the El Royale as Larsen Rogers
2019 Marriage Story as Carter Mitchum
2018 The Front Runner as Billy Shore
2018 Kin as Jake
2016 Wanderer
2019 Goalie
Photo Name Department
2015 Killjoys (1 episode) as Grayson Hicks
2010 Republic of Doyle (77 episode) as Des Courtney
2016 The Last Tycoon (9 episode) as Max Miner
2019 City on a Hill (10 episode) as Jimmy Ryan
2009 Warehouse 13 (1 episode) as Jerry Hoffler
2014 Halt and Catch Fire (15 episode) as Tom Rendon

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