Trending
New 'Avatar: Fire & Ash' Trailer
'The Mandalorian and Grogu' Trailer
'Wicked: For Good' Trailer
'Zootopia 2' Teaser Trailer
Buy Tickets
Highlights
New Movies
TV Shows
Streaming
Movie Charts
Videos
What to Watch
In Theaters
Movie Theaters
Coming Soon
Movie Reviews
Moviefone TV
Made In Hollywood
News
Celebrities
Netflix
Prime Video
The Substance
Conclave
The Accountant
A Real Pain
Flow
Zero Day
The White Lotus
Paradise
Severance
Yellowjackets
Highlights
Mark O'Brien
Celebrity
Born in
May 7th, 1984
From
St. Johns, Newfoundland, Canada
Share
Overview
Movies
TV Shows
Videos
News
Mark O'Brien 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 Movies
Nuremberg
Showtimes & Tickets
71
Shadow of God
Where to Watch
58
Seven Veils
Where to Watch
57
Topper
Where to Watch
Cast & Crew
The Righteous
Where to Watch
62
Blue Bayou
Where to Watch
75
Hammer
Where to Watch
54
Marriage Story
Where to Watch
77
Mark O'Brien TV Shows
Hannibal
Where to Watch
83
Your Honor
Where to Watch
81
Warehouse 13
Where to Watch
77
Killjoys
Where to Watch
69
The Kelly Clarkson Show
Where to Watch
63
Mark O'Brien Videos
2:21
'Blue Bayou' Featurette: Story
1:09
'Blue Bayou' Clip: Fleur De Lis
2:29
'Blue Bayou' Trailer
57s
'Blue Bayou' Clip: He's American
1:27
'Blue Bayou' Clip: Where You From
2:25
'Arrival' (2016) Trailer
Featured News
Samara Weaving to Return for ‘Ready or Not’ Sequel
Trending Celebrities
Back to Top