Mark O'Brien

Actor:

1. 1. Gossip (2008), film
   ...
   Tommy Palchek
2. 2. The Four Horsemen (2008), film
3. 3. The Republic Of Doyle (2010), series
   ...
   Des Courtney
4. 4. Halt & Catch Fire (2014), series
   ...
   Tom Rendon
5. 5. The Dark Stranger (2015), film
   ...
   Mark
6. 6. Len and Company (2015), film
   ...
   Zach
7. 7. How to Plan an Orgy in a Small Town (2015), film
   ...
   Bruce Buck
8. 8. End of Days, Inc. (2015), film
9. 9. Message (2016), film
   ...
   Captain Marks
10. 10. The Last Tycoon (2016), series
    ...
    Max Miner
11. 11. The Darkest Minds (2018), film
    ...
    Rob
12. 12. Bad Times at the El Royale (2018), film
    ...
    Larsen Rogers
13. 13. How It Ends (2018), film
    ...
    Jeremiah
14. 14. The Front Runner (2018), film
    ...
    Billy Shore
15. 15. Parallel (2018), film
    ...
    Josh
16. 16. Ready or Not (2019), film
    ...
    Alex
17. 17. Hammer (2019), film
    ...
    Chris Davis
18. 18. Goalie (2019), film
    ...
    Terry Sawchuk
19. 19. City on a Hill (2019), series
    ...
    Jimmy Ryan
20. 20. State Like Sleep (2019), film
21. 21. Perry Mason (2020), series
    ...
    Thomas Milligan
22. 22. Blue Bayou (2021), film
    ...
    Ace
23. 23. 61st Street (2022), series
    ...
    Johnny Logan

Producer:

1. 1. Goalie (2019), film
   ...
   executive producer

Director:

1. 1. The Republic Of Doyle (2010), series
2. 2. The Righteous (2021), film