Mark O'Brien

Mark O'Brien

Acting

Born 1984-05-07

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).

Known For

Popular credits

Arrival
7.6

Arrival

Captain Marks

Marriage Story
7.7

Marriage Story

Carter Mitchum

Ready or Not
7.1

Ready or Not

Alex Le Domas

Bad Times at the El Royale
6.8

Bad Times at the El Royale

Larsen Rogers

The Darkest Minds
7.0

The Darkest Minds

Rob Meadows

Hannibal
8.3

Hannibal

Randall Tier

How It Ends
5.3

How It Ends

Jeremiah

Anon
6.0

Anon

Cyrus Frear

Your Honor
8.1

Your Honor

Father Jay

Nuremberg
7.4

Nuremberg

Colonel John Amen

Kin
6.1

Kin

Jake

Warehouse 13
7.7

Warehouse 13

Jerry Hoffler

Halt and Catch Fire
7.9

Halt and Catch Fire

Tom Rendon

Killjoys
6.9

Killjoys

Grayson Hicks

The Front Runner
5.9

The Front Runner

Billy Shore

Perry Mason
7.2

Perry Mason

Thomas Milligan

Blue Bayou
7.5

Blue Bayou

Ace

Parallel
6.0

Parallel

Josh

City on a Hill
7.2

City on a Hill

Jimmy Ryan

How to Plan an Orgy in a Small Town
5.1

How to Plan an Orgy in a Small Town

Bruce Buck

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