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

  • Hannibal

    Hannibal

  • Warehouse 13

    Warehouse 13

  • Killjoys

    Killjoys

  • Republic of Doyle

    Republic of Doyle

  • Shadow of God

    Shadow of God

  • Arrival

    Arrival

  • Halt and Catch Fire

    Halt and Catch Fire

  • Perry Mason

    Perry Mason

  • Your Honor

    Your Honor

  • Nuremberg

    Nuremberg

  • City on a Hill

    City on a Hill

  • Ready or Not

    Ready or Not

  • The Darkest Minds

    The Darkest Minds

  • Kin

    Kin

  • Grown Up Movie Star

    Grown Up Movie Star

  • The Embers and the Stars

    The Embers and the Stars

  • The Sticky

    The Sticky

  • Seven Veils

    Seven Veils

  • Anon

    Anon

  • Topper

    Topper

  • Marriage Story

    Marriage Story

  • The Last Tycoon

    The Last Tycoon

  • The Front Runner

    The Front Runner

  • 61st Street

    61st Street

  • Bad Times at the El Royale

    Bad Times at the El Royale

  • Quiet at Dawn

    Quiet at Dawn

  • The Righteous

    The Righteous

  • Blue Bayou

    Blue Bayou

  • Mum's the Word

    Mum's the Word

  • The Copenhagen Test

    The Copenhagen Test

  • Hammer

    Hammer

  • State Like Sleep

    State Like Sleep

  • How It Ends

    How It Ends

  • End of Days, Inc.

    End of Days, Inc.

  • How to Plan an Orgy in a Small Town

    How to Plan an Orgy in a Small Town

  • The Voices of Our Mother

    The Voices of Our Mother

  • Nice People

    Nice People

  • Goalie

    Goalie

  • The One That Got Away

    The One That Got Away

  • Parallel

    Parallel

  • Snarbuckled

    Snarbuckled

  • Cut from the Same Cloth

    Cut from the Same Cloth

  • Falsehood

    Falsehood

  • The Dark Stranger

    The Dark Stranger

  • Heartless Disappearance Into Labrador Seas

    Heartless Disappearance Into Labrador Seas

  • Brad

    Brad

  • Wanderer

    Wanderer

  • Dennis

    Dennis

  • The Four Horsemen

    The Four Horsemen

  • Beat Down

    Beat Down

  • Epilogue

    Epilogue

  • Better People

    Better People

  • Sweetieface

    Sweetieface