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Mark O'Brien — OmList

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Mark O'Brien

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Mark O'Brien

Known for: Acting
Born: May 7, 1984 · age 42
From: St. Johns, Newfoundland, Canada

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).

Bio via TMDB ↗

§ Known for

Hannibal

2013 · Randall Tier

Your Honor

2020 · Father Jay

Marriage Story

2019 · Carter Mitchum

Arrival

2016 · Captain Marks

Halt and Catch Fire

Halt and Catch Fire

2014 · Tom Rendon

Warehouse 13

2009 · Jerry Hoffler

Nuremberg

2025 · Colonel John Amen

Blue Bayou

2021 · Ace

Ready or Not

2019 · Alex

The Darkest Minds

The Darkest Minds

2018 · Rob Meadows

The Voices of Our Mother

The Voices of Our Mother

2026 · William

Nuremberg

2025 · Colonel John Amen

Seven Veils

2025 · Paul

Shadow of God

2025 · Mason Harper

The Copenhagen Test

The Copenhagen Test

2025 · TV · Edmund Cobb

The Memory Keeper

The Memory Keeper

2025 · Elizeus Carrier

Topper

2025 · Topper

The Sticky

2024 · TV · Charlie

61st Street

2022 · TV · Officer Logan

Blue Bayou

2021 · Ace

The Righteous

2021 · Aaron Smith

Perry Mason

2020 · TV · Thomas Milligan