Mark O'Brien
Acting
Born May 7, 1984 (age 42) · St. Johns, Newfoundland, Canada
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).
- Arrival2016
as Captain Marks
- Marriage Story2019
as Carter Mitchum
as Alex
as Larsen Rogers
as Rob Meadows
as Jeremiah
as Cyrus Frear
as Colonel John Amen
as Jake
as Billy Shore
as Ace
as Josh
as Bruce Buck
