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actor • director • writer
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).
Born: May 7, 1984 in St. Johns, Newfoundland, Canada (age 41)
65 total credits across film and television
| Title | Job | Year |
|---|---|---|
Directing | 2026 | |
Actor |
| 2026 |
Topper Movie | Actor | 2025 |
Falsehood Movie | Actor | 2025 |
Nuremberg Movie | Actor | 2025 |
Shadow of God Movie | Actor | 2025 |
The Copenhagen Test TV Show | Actor | 2025 |
The Sticky TV Show | Actor | 2024 |
Seven Veils Movie | Actor | 2023 |
61st Street TV Show | Actor | 2022 |
The Righteous Movie | Directing | 2021 |
The Righteous Movie | Actor | 2021 |
Blue Bayou Movie | Actor | 2021 |
Perry Mason TV Show | Actor | 2020 |
Your Honor TV Show | Actor | 2020 |
The Kelly Clarkson Show TV Show | Actor | 2019 |
City on a Hill TV Show | Actor | 2019 |
Goalie Movie | Production | 2019 |
Hammer Movie | Actor | 2019 |
Goalie Movie | Actor | 2019 |
Ready or Not Movie | Actor | 2019 |
Marriage Story Movie | Actor | 2019 |
Anon Movie | Actor | 2018 |
How It Ends Movie | Actor | 2018 |
The Front Runner Movie | Actor | 2018 |
Actor | 2018 |
The Darkest Minds Movie | Actor | 2018 |
Parallel Movie | Actor | 2018 |
Kin Movie | Actor | 2018 |
State Like Sleep Movie | Actor | 2018 |
Arrival Movie | Actor | 2016 |
The Last Tycoon TV Show | Actor | 2016 |
End of Days, Inc. Movie | Actor | 2015 |
The Dark Stranger Movie | Actor | 2015 |
Killjoys TV Show | Actor | 2015 |
Dennis Short Film | Production | 2015 |
Wanderer Short Film | Directing | 2015 |
Wanderer Short Film | Actor | 2015 |
Dennis Short Film | Actor | 2015 |
Actor | 2015 |
Halt and Catch Fire TV Show | Actor | 2014 |
Hannibal TV Show | Actor | 2013 |
Sweetieface Short Film | Directing | 2013 |
Sweetieface Short Film | Actor | 2013 |
Beat Down Movie | Actor | 2012 |
Better People Short Film | Directing | 2012 |
Better People Short Film | Actor | 2012 |
Kathy Short Film | Directing | 2011 |
Republic of Doyle TV Show | Actor | 2010 |
Brad Short Film | Production | 2010 |
Brad Short Film | Actor | 2010 |
Snarbuckled Short Film | Actor | 2010 |
Warehouse 13 TV Show | Actor | 2009 |
Grown Up Movie Star Movie | Actor | 2009 |
Quiet at Dawn Short Film | Actor | 2009 |
Mum's the Word Short Film | Actor | 2009 |
Cut from the Same Cloth Short Film | Actor | 2009 |
Pretty Girls Short Film | Directing | 2008 |
Actor | 2008 |
The Four Horsemen Movie | Actor | 2008 |
Epilogue Short Film | Actor | 2008 |
Actor | 2008 |
Nice People Movie | Actor | — |
The Outer Threat Movie | Actor | — |
Nice People Movie | Directing | — |
