
Cast
Mark O'Brien
Acting
Cast
Mark O'Brien
Known for
Acting
Born
1984-05-07
From
St. Johns, Newfoundland, Canada
Also known as 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).

Nuremberg
as Colonel John Amen

Ready or Not
as Alex

Arrival
as Captain Marks

Marriage Story
as Carter Mitchum

Bad Times at the El Royale
as Larsen Rogers

The Darkest Minds
as Rob Meadows

How It Ends
as Jeremiah

Anon
as Cyrus Frear

The Front Runner
as Billy Shore

Seven Veils
as Paul

Kin
as Jake

Goalie
as Terry Sawchuk

Parallel
as Josh

Blue Bayou
as Ace

How to Plan an Orgy in a Small Town
as Bruce Buck

Shadow of God
as Mason Harper

The Memory Keeper
as Elizeus Carrier

State Like Sleep
as Darren

The Four Horsemen
as Eric Rollins

Hammer
as Chris Davis

Grown Up Movie Star
as Will

Beat Down
as Michael

Topper
as Topper

The One That Got Away
as Tommy Palchek

The Voices of Our Mother
as William

The Righteous
as Aaron Smith

End of Days, Inc.
as Jason

Wanderer
as Eric

Heartless Disappearance Into Labrador Seas
as Charlie

The Dark Stranger
as Mark

Quiet at Dawn
as Watts

Nice People

The Outer Threat

Snarbuckled
as Jacob O'Higgins

Cut from the Same Cloth
as Jack Cochrane

Dennis
as Dennis

Good in the Room
as Charlie

Brad
as Brad

Epilogue
as Henry

Better People
as John

Mum's the Word
as Curtis

Sweetieface
as Sam