Mark O'Brien

Personal Info

Known For

Acting

Known Credits

54

Gender

Male

Birthday

1984-05-07 (41 years old)

Place of Birth

St. Johns, Newfoundland, Canada

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).

Known For

  • The Kelly Clarkson Show

    The Kelly Clarkson Show

  • Nuremberg

    Nuremberg

  • Hannibal

    Hannibal

  • How It Ends

    How It Ends

  • Warehouse 13

    Warehouse 13

  • Arrival

    Arrival

  • Ready or Not

    Ready or Not

  • How to Plan an Orgy in a Small Town

    How to Plan an Orgy in a Small Town

  • Marriage Story

    Marriage Story

  • The Copenhagen Test

    The Copenhagen Test

  • Halt and Catch Fire

    Halt and Catch Fire

  • Killjoys

    Killjoys

  • Perry Mason

    Perry Mason

  • Your Honor

    Your Honor

  • Republic of Doyle

    Republic of Doyle

  • Heartless Disappearance Into Labrador Seas

    Heartless Disappearance Into Labrador Seas

  • City on a Hill

    City on a Hill

  • Shadow of God

    Shadow of God

  • The Darkest Minds

    The Darkest Minds

  • Bad Times at the El Royale

    Bad Times at the El Royale

  • The Last Tycoon

    The Last Tycoon

  • The Sticky

    The Sticky

  • Kin

    Kin

  • Cut from the Same Cloth

    Cut from the Same Cloth

  • Seven Veils

    Seven Veils

  • Anon

    Anon

  • Topper

    Topper

  • 61st Street

    61st Street

  • The Righteous

    The Righteous

  • Blue Bayou

    Blue Bayou

  • The Front Runner

    The Front Runner

  • The Voices of Our Mother

    The Voices of Our Mother

  • Snarbuckled

    Snarbuckled

  • Brad

    Brad

  • Parallel

    Parallel

  • Goalie

    Goalie

  • Wanderer

    Wanderer

  • Hammer

    Hammer

  • State Like Sleep

    State Like Sleep

  • Falsehood

    Falsehood

  • The One That Got Away

    The One That Got Away

  • Mum's the Word

    Mum's the Word

  • End of Days, Inc.

    End of Days, Inc.

  • The Dark Stranger

    The Dark Stranger

  • Grown Up Movie Star

    Grown Up Movie Star

  • The Four Horsemen

    The Four Horsemen

  • The Outer Threat

    The Outer Threat

  • Quiet at Dawn

    Quiet at Dawn

  • Beat Down

    Beat Down

  • Epilogue

    Epilogue

  • Nice People

    Nice People

  • Dennis

    Dennis

  • Better People

    Better People

  • Sweetieface

    Sweetieface