Quick Facts
Born:
1984-05-07
Birthplace:
St. Johns, Newfoundland, Canada
Credits:
54 Total Roles
Mark O'Brien
Acting
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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
Arrival
Captain Marks
Marriage Story
Carter Mitchum
Ready or Not
Alex Le Domas
Bad Times at the El Royale
Larsen Rogers
The Darkest Minds
Rob Meadows
Hannibal
Randall Tier
How It Ends
Jeremiah
Anon
Cyrus Frear
Full Filmography
| Year | Title | Role |
|---|---|---|
| 2025 | The Copenhagen Test TV | Edmund Cobb |
| 2025 | Nuremberg MOVIE | Colonel John Amen |
| 2025 | Falsehood MOVIE | Elizeus Carrier |
| 2025 | Shadow of God MOVIE | Mason Harper |
| 2025 | Seven Veils MOVIE | Paul |
| 2025 | Topper MOVIE | Topper |
| 2024 | The Sticky TV | Charlie |
| 2022 | 61st Street TV | Officer Logan |
| 2021 | Blue Bayou MOVIE | Ace |
| 2021 | The Righteous MOVIE | Aaron Smith |