Mark O'Brien
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).
Read bio at tmdb | Read bio at Wikipedia
- Born:
- May 7, 1984 In St. Johns, Newfoundland, Canada
- Movie/TV Credits:
- 36
- First Appeared:
- In the movie The Four Horsemen 2008-03-18
- Latest Project:
- Movie Shadow of God 2025
Known For
Filmography
| Movie | Mum's the Word | Curtis | 2025 |
| Movie | The Voices of Our Mother | William | 2025 |
| Movie | Nuremberg | Col. John Amen | 2025 |
| Movie | Shadow of God | Mason Harper | 2025 |
| Movie | Seven Veils | Paul | 2024-12-19 |
| Movie | Blue Bayou | Ace | 2021-09-10 |
| Movie | The Righteous | Aaron Smith | 2021-08-15 |
| Movie | State Like Sleep | Darren | 2019-01-04 |
| Movie | Goalie | Terry Sawchuk | 2019-03-01 |
| Movie | Hammer | Chris Davis | 2019-12-05 |
| Movie | Ready or Not | Alex Le Domas | 2019-08-21 |
| Movie | Marriage Story | Carter Mitchum | 2019-09-28 |
| Movie | How It Ends | Jeremiah | 2018-07-13 |
| Movie | Parallel | Josh | 2018-04-10 |
| Movie | The Darkest Minds | Rob Meadows | 2018-07-25 |
| Movie | Anon | Cyrus Frear | 2018-05-03 |
| Movie | The Front Runner | Billy Shore | 2018-11-06 |
| Movie | Bad Times at the El Royale | Larsen Rogers | 2018-10-04 |
| Movie | Kin | Jake | 2018-08-29 |
| Movie | The Dark Stranger | Mark | 2016-07-15 |
| Movie | Arrival | Captain Marks | 2016-11-10 |
| Movie | End of Days, Inc. | Jason | 2015-04-24 |
| Series | Killjoys | Grayson Hicks | 2015-06-19 |
| Movie | How to Plan an Orgy in a Small Town | Bruce Buck | 2015-09-19 |
| Series | Halt and Catch Fire | Tom Rendon | 2014-06-01 |
| Movie | The Housewife Slasher | Pool Boy | 2012-01-28 |
| Movie | Beat Down | Michael | 2012-08-03 |
| Series | Republic of Doyle | Des Courtney | 2010-01-06 |
| Movie | Brad | Brad | 2010-07-24 |
| Movie | Snarbuckled | Jacob O'Higgins | 2010-09-18 |
| Movie | Cut from the Same Cloth | Jack Cochrane | 2009-01-01 |
| Series | Warehouse 13 | Jerry Hoffler | 2009-07-07 |
| Movie | Grown Up Movie Star | Will | 2009-10-20 |
| Movie | The Four Horsemen | Eric Rollins | 2008-03-18 |
| Movie | Heartless Disappearance Into Labrador Seas | Charlie | 2008-09-09 |
| Movie | Epilogue | Henry | 2008-06-27 |