Mark O'Brien (IX)


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Mark O'Brien is an award-winning actor and filmmaker. He is an English major with a Bachelor of Arts from Memorial University of Newfoundland. His mother was a nurse and his father a truck driver. Mark also has three older sisters. He married actress Georgina Reilly on January 6, 2013 after meeting on the set of the hit show Republic of Doyle. See full bio »

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Arrival
Fri, Oct 29 5:00 PM PDT on EPXHTSD (598)
Republic of Doyle
Two Jakes and a Baby (S3, Ep8)
Sat, Oct 30 3:00 AM PDT on OVATION (187)

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13 wins & 12 nominations. See more awards »

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Known For

(2019)
Arrival Captain Marks
(2016)
City on a Hill Jimmy Ryan
(2019-2021)
Halt and Catch Fire Tom Rendon
(2015-2017)

Filmography

Hide Hide Show Show Actor (49 credits)
 2022 61st Street (TV Series) (filming)
Johnny Logan
- Episode #2.4 (2022) ... Johnny Logan
- Episode #1.1 (2022) ... Johnny Logan
- Episode #2.8 ... Johnny Logan
- Episode #2.7 ... Johnny Logan
- Episode #2.6 ... Johnny Logan
 2021 The Righteous
Aaron Smith
 2021 Blue Bayou
Ace
 2019-2021 City on a Hill (TV Series)
Jimmy Ryan
- Overtime White and Overtime Stupid (2021) ... Jimmy Ryan
- Is the Total Black, Being Spoken (2021) ... Jimmy Ryan
- I Need a Goat (2021) ... Jimmy Ryan
- Bill Russell's Bedsheets (2021) ... Jimmy Ryan
- Mayor Curley and the Last Hurrah (2019) ... Jimmy Ryan
 2019 Hammer
Chris Davis
 2019 Marriage Story
Carter Mitchum
 2019/I Ready or Not
Alex
 2019 Goalie
Terry Sawchuk
 2018 Bad Times at the El Royale
Larsen Rogers
 2018 The Front Runner
Billy Shore
 2018 The Darkest Minds
Rob
 2018 How It Ends
Jeremiah
 2018/I Anon
Cyrus Frear
 2018/II Parallel
Josh
 2015-2017 Halt and Catch Fire (TV Series)
Tom Rendon
- Nowhere Man (2017) ... Tom Rendon
- Miscellaneous (2017) ... Tom Rendon
- NeXT (2016) ... Tom Rendon
- You Are Not Safe (2016) ... Tom Rendon
- The Threshold (2016) ... Tom Rendon
 2016-2017 The Last Tycoon (TV Series)
Max Miner
- Oscar, Oscar, Oscar (2017) ... Max Miner
- An Enemy Among Us (2017) ... Max Miner
- A Brady-American Christmas (2017) ... Max Miner
- Burying the Boy Genius (2017) ... Max Miner
- A More Perfect Union (2017) ... Max Miner
 2016/II Arrival
Captain Marks
 2015 Whitehorse (Short)
Evan
 2015/I Wanderer (Short)
Eric
 2015 Killjoys (TV Series)
Grayson Hicks
- Kiss Kiss, Bye Bye (2015) ... Grayson Hicks
 2015 The Dark Stranger
Mark
 2015 Len and Company
Zach
 2015 End of Days, Inc.
Jason
 2015 Dennis (Short)
Dennis
 2010-2014 Republic of Doyle (TV Series)
Des Courtney
- Last Call (2014) ... Des Courtney
- Judgement Day (2014) ... Des Courtney
- Body of Evidence (2014) ... Des Courtney
- When the Whistle Blows (2014) ... Des Courtney
- The Pint (2014) ... Des Courtney
 2014 Saving Hope (TV Series)
Marshall Parker
- Awakenings (2014) ... Marshall Parker
 2014 Hannibal (TV Series)
Randall Tier
- Naka-Choko (2014) ... Randall Tier
- Shiizakana (2014) ... Randall Tier
 2013 Sweetieface (Short)
 2012 Better People (Short)
John
 2012 Murdoch Mysteries (TV Series)
Jerome Bradley
- Murdoch Night in Canada (2012) ... Jerome Bradley
 2012 Diary of a Deadly P.I. (TV Series)
Des Courtney
- Chapter 11: Case Closed (2012) ... Des Courtney
- Chapter 10: Confronting the Suspect (2012) ... Des Courtney
- Chapter 9: What to Do to Unwind (2012) ... Des Courtney
- Chapter 8: The Art of Body Language (2012) ... Des Courtney
- Chapter 7: Updating the Client (2012) ... Des Courtney
 2012 Beat Down
Michael
 2011 Warehouse 13 (TV Series)
Jerry Hoffler
- Don't Hate the Player (2011) ... Jerry Hoffler
 2010 Snarbuckled (Short)
Jacob O'Higgins
 2010 Brad (Short)
Brad
 2009 Cut from the Same Cloth (Short)
Jack Cochrane
 2009 Mum's the Word (Short)
Curtis
 2009 Grown Up Movie Star
Will
 2009 Quiet at Dawn (Short)
Watts
 2008/I Epilogue (Short)
Henry
 2008 Gossip (TV Movie)
Tommy Palchek
 2008 Patiently Wasting (Short)
Paul
 2008 The Four Horsemen (Video)
Eric Rollins
 2006 You're It! (TV Series)
Mark / Various
- Episode #1.10 (2006) ... Mark / Various
- Episode #1.9 (2006) ... Mark / Various
- Episode #1.8 (2006) ... Mark / Various
- Episode #1.7 (2006) ... Mark / Various
- Episode #1.6 (2006) ... Mark / Various
 2006 Above and Beyond (TV Mini Series)
Drake
- Part 2 (2006) ... Drake
- Part 1 ... Drake
 2005 Downward Calling (Short)
John Doe
Show Show Director (13 credits)
Show Show Writer (6 credits)
Show Show Producer (8 credits)
Show Show Editor (6 credits)
Show Show Cinematographer (2 credits)
Show Show Composer (1 credit)
Show Show Thanks (1 credit)
Show Show Self (8 credits)

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Personal Details

Other Works:

Host of Kids' CBC in Canada See more »

Height:

6' 2½" (1.89 m)

Spouse:

Georgina Reilly

Children:

Penelope Florence
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Did You Know?

Star Sign:

Taurus

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