
Mark O'Brien
Acting41Total Films
7.7 Highest Rated
Born: May 7, 1984
Birth Place: St. Johns, Newfoundland, Canada
About 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).
Best Mark O'Brien Movies Ranked
Must-watch hits from Mark O'Brien's career based on audience ratings.
Complete Filmography & Success Status
Tracking the career evolution and box office verdicts of Mark O'Brien.
| Year | Movie | Character | Success | More |
|---|---|---|---|---|
| 2025 | Nuremberg | Colonel John Amen | Hit | Similar → |
| 2025 | Falsehood | Elizeus Carrier | Flop | Similar → |
| 2025 | Shadow of God | Mason Harper | Average | Similar → |
| 2025 | Seven Veils | Paul | Average | Similar → |
| 2025 | Topper | Topper | Flop | Similar → |
| 2021 | Blue Bayou | Ace | Super Hit | Similar → |
| 2021 | The Righteous | Aaron Smith | Average | Similar → |
| 2019 | Hammer | Chris Davis | Flop | Similar → |
| 2019 | Marriage Story | Carter Mitchum | Super Hit | Similar → |
| 2019 | Ready or Not | Alex Le Domas | Hit | Similar → |
| 2019 | Goalie | Terry Sawchuk | Hit | Similar → |
| 2019 | State Like Sleep | Darren | Flop | Similar → |
| 2018 | The Front Runner | Billy Shore | Average | Similar → |
| 2018 | Bad Times at the El Royale | Larsen Rogers | Hit | Similar → |
| 2018 | Kin | Jake | Average | Similar → |
| 2018 | The Darkest Minds | Rob Meadows | Hit | Similar → |
| 2018 | How It Ends | Jeremiah | Flop | Similar → |
| 2018 | Anon | Cyrus Frear | Average | Similar → |
| 2018 | Parallel | Josh | Average | Similar → |
| 2016 | Arrival | Captain Marks | Super Hit | Similar → |
| 2016 | Wanderer | Eric | Flop | Similar → |
| 2016 | The Dark Stranger | Mark | Flop | Similar → |
| 2015 | How to Plan an Orgy in a Small Town | Bruce Buck | Flop | Similar → |
| 2015 | End of Days, Inc. | Jason | Average | Similar → |
| 2015 | Dennis | Dennis | Flop | Similar → |
| 2013 | Sweetieface | Sam | Flop | Similar → |
| 2012 | Beat Down | Michael | Flop | Similar → |
| 2010 | Snarbuckled | Jacob O'Higgins | Flop | Similar → |
| 2010 | Brad | Brad | Flop | Similar → |
| 2009 | Mum's the Word | Curtis | Flop | Similar → |
| 2009 | Grown Up Movie Star | Will | Flop | Similar → |
| 2009 | Quiet at Dawn | Watts | Flop | Similar → |
| 2009 | Cut from the Same Cloth | Jack Cochrane | Flop | Similar → |
| 2008 | Heartless Disappearance Into Labrador Seas | Charlie | Flop | Similar → |
| 2008 | Epilogue | Henry | Flop | Similar → |
| 2008 | The One That Got Away | Tommy Palchek | Flop | Similar → |
| 2008 | The Four Horsemen | Eric Rollins | Flop | Similar → |
| N/A | The Voices of Our Mother | William | Flop | Similar → |
| N/A | The Outer Threat | - | Flop | Similar → |
| N/A | Better People | John | Flop | Similar → |
| N/A | Nice People | - | Flop | Similar → |
Mark O'Brien - Frequently Asked Questions
What is the best movie of Mark O'Brien?
According to audience ratings, the best movie starring Mark O'Brien is "Marriage Story" with a rating of 7.7/10.
How many movies has Mark O'Brien acted in?
Mark O'Brien has been featured in at least 41 major films throughout their career.
What are some other popular movies by Mark O'Brien?
Other notable films include "Arrival", "Blue Bayou", and "Nuremberg".




