Mark O'Brien
- Born
- May 7, 1984 · St. Johns, Newfoundland, Canada
- 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).
Filmography · 12 credits
- 2027F.A.S.T. · Actor (Mark Allred)
- 2025Nuremberg · Actor (Colonel John Amen)
- 2025Topper · Actor (Topper)
- 2021Blue Bayou · Actor (Ace)
- 2019Ready or Not · Actor (Alex)
- 2018The Darkest Minds · Actor (Rob)
- 2018The Front Runner · Actor (Billy Shore)
- 2016Arrival · Actor (Captain Marks)
- 2015Len and Company · Actor (Zach)
- —Little One · Actor
- —Nice People · Director
- —Nice People · Actor