Mark O'Brien

Personal Info

Known For Acting

Known Credits 34

Gender Male

Birthday 1984-05-07 (38 years old)

Place of Birth St. John's, Canada

Also Known As

Mark O’Brien

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Mark O'Brien

Biography

Mark O'Brien (born May 7, 1984) is a Canadian actor and director. He is best known for playing the role of Des Courtney in Republic of Doyle and Tom Rendon in Halt and Catch Fire.

Known For

Acting

—

2022

(8 episodes)

2021		Blue Bayou as Ace
2021		The Righteous as Aaron Smith

2020		Your Honor (3 episodes) as Father Jay
2020		Perry Mason (1 episode) as Thomas Milligan

2019		Hammer as Chris Davis
2019		Marriage Story as Carter Mitchum
2019		Ready or Not as Alex Le Domas
2019		City on a Hill (14 episodes) as Jimmy Ryan
2019		Goalie as Terry Sawchuk
2019		State Like Sleep as Darren

2018		The Front Runner as Billy Shore
2018		Bad Times at the El Royale as Larsen Rogers
2018		Kin as Jake
2018		The Darkest Minds as Rob Meadows
2018		How It Ends as Jeremiah
2018		Anon as Cyrus Frear
2018		Parallel as Josh

2017

(9 episodes) as Max Miner

2016		Arrival as Captain Marks
2016		The Dark Stranger as Mark

2015		How to Plan an Orgy in a Small Town as Bruce Buck
2015		Killjoys (1 episode) as Grayson Hicks
2015		End of Days, Inc. as Jason

2014

(15 episodes) as Tom Rendon

2012

as Father Tyrone as Michael

2010		Snarbuckled as Jacob O'Higgins
2010		Republic of Doyle (77 episodes) as Des Courtney

2009		Grown Up Movie Star as Will
2009		Warehouse 13 (1 episode) as Jerry Hoffler

2008		Heartless Disappearance Into Labrador Seas as Charlie
2008		The Four Horsemen as Eric Rollins

Production

2021

… Executive Producer

2019

… Executive Producer

Directing

2021

… Director

2016

… Director

Writing

2021

… Writer

Personal Info

Mark O'Brien

Biography

Known For

Acting

Production

Directing

Writing

Global

On media pages

On TV season pages

On TV episode pages

On all image pages

On all edit pages

On discussion pages

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