
Mark O'Brien
- Date of Birth: 1984-05-07
- Place of Birth: St. Johns, Newfoundland, Canada
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).... 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).

Hannibal
Drama, Crime • 2013 April

Your Honor
Drama, Crime • 2020 December

Halt and Catch Fire
Drama • 2014 June

Marriage Story
Drama • 2019 September

Warehouse 13
Sci-Fi & Fantasy, Comedy, Action & Adventure, Drama • 2009 July

Arrival
Drama, Science Fiction, Mystery • 2016 November

Blue Bayou
Drama • 2021 September

Perry Mason
Drama, Mystery, Crime • 2020 June

City on a Hill
Crime, Drama • 2019 June

The Sticky
Comedy, Drama • 2024 December