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.
|Movie||The Darkest Minds||Rob Meadows||2018-08-02|
|Movie||The Dark Stranger||Mark||2016-07-15|
|Movie||End of Days, Inc.||Jason||2015-04-24|
|Movie||How to Plan an Orgy in a Small Town||Bruce Buck||2015-09-19|
|Series||Republic of Doyle||Des Courtney||2010-01-06|
|Movie||Grown Up Movie Star||Will||2009-10-20|