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Mark O'Brien
Acting
Born: 1984
St. Johns, Newfoundland, Canada
13 Global Credits
🔥 0.8 Popularity
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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
Full Credits
| Show / Title | Year | Credit / Role |
|---|---|---|
| The Copenhagen Test | 2025 | Edmund Cobb |
| The Sticky | 2024 | Charlie |
| 61st Street | 2022 | Officer Logan |
| Your Honor | 2020 | Father Jay |
| Perry Mason | 2020 | Thomas Milligan |
| The Kelly Clarkson Show | 2019 | Self |
| City on a Hill | 2019 | Jimmy Ryan |
| The Last Tycoon | 2017 | Max Miner |
| Killjoys | 2015 | Grayson Hicks |
| Halt and Catch Fire | 2014 | Tom Rendon |
| Hannibal | 2013 | Randall Tier |
| Republic of Doyle | 2010 | Des Courtney |
| Warehouse 13 | 2009 | Jerry Hoffler |