@markobrienNL

Actor/Filmmaker. Halt and Catch Fire, Ready Or Not, Arrival, City On A Hill, Perry Mason, 61st Street, The Righteous

imdb.com/name/nm1975628/?ref_=nv_sr_1
Joined March 2011
  • Tweets5.5K
  • Following855
  • Followers18K
348Media
The Righteous - trailer
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Mark O'Brien retweeted
Variety
@VarietyOct 15
Lauren Cohan, Mark O'Brien and Mia Tomlinson have joined the cast of “Stillwater,” Amazon Prime Video’s series adaptation of Chip Zdarsky and Ramón K Pérez’s graphic novel. wp.me/pc8uak-1lHXv6

‘Stillwater’: Amazon Series Adds Lauren Cohan, Mark O’Brien and Mia Tomlinson to Cast

Lauren Cohan, Mark O'Brien and Mia Tomlinson have joined the cast of Amazon Prime Video’s “Stillwater."

variety.com
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Mark O'Brien retweeted
Deadline
@DEADLINEAug 20
Mark O'Brien & Anneke Sluiters Leading Sci-fi Drama 'Soma' With Filming Underway In Estonia & Netherlands deadline.com/2026/08/mark-ob…

Mark O'Brien & Anneke Sluiters To Star In Sci-fi Drama 'Soma'

Mark O'Brien & Anneke Sluiters Leading Sci-fi Drama 'Soma' With Filming Underway In Estonia & Netherlands

deadline.com
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Mark O'Brien retweeted
Shudder
@ShudderJun 15
Family reunions are terrifying enough without possession involved. THE VOICES OF OUR MOTHER premieres Friday on Shudder.
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Mark O'Brien retweeted
Deadline
@DEADLINEMay 27
Mark O'Brien Co-Writes & Will Topline Crime Thriller 'Good In The Room'; Laysla De Oliveira, Andrew "King Bach" Bachelor And Eric Bruneau Also Set deadline.com/2026/05/mark-ob…

Mark O'Brien To Star In Thriller 'Good In The Room' (EXCLUSIVE)

Mark O'Brien ('Ready or Not') is set to topline 'Good in the Room,' a crime thriller that he co-wrote with Pat Kiely, who is directing.

deadline.com
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Mark O'Brien retweeted
FANGORIA
@FANGORIAMay 7
Mark O'Brien returns to horror as he directs and stars in Shudder's new film THE VOICES OF OUR MOTHER. Watch the trailer now. dlvr.it/TSQdsK

THE VOICES OF OUR MOTHER Trailer: Shudder Gets In On The Religious Horror Game

Mark O'Brien returns to horror as he directs and stars in Shudder's new film THE VOICES OF OUR MOTHER. Watch the trailer now.

fangoria.com
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Mark O'Brien retweeted
Shudder
@ShudderMay 7
Remember to call your mom. She may be possessed. THE VOICES OF OUR MOTHER drops June 19 on Shudder.
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THE VOICES OF OUR MOTHER, my second feature film coming June 19th to @Shudder
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Mark O'Brien retweeted
Deadline
@DEADLINEApr 10
EXCLUSIVE: Ahead of its North American premiere at Panic Fest in Kansas City, 'The Voices of Our Mother,' a new supernatural horror film helmed by 'Ready or Not' actor Mark O’Brien, has been acquired by Shudder for release on streaming in the U.S., UK, Australia and New Zealand this summer deadline.com/2026/04/the-voi…

'The Voices Of Our Mother' Horror Film From Mark O'Brien Acquired By Shudder

'The Voices of Our Mother,' a new horror film from Mark O'Brien, has been acquired by Shudder for release in select territories this summer.

deadline.com
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Nuremberg is in cinemas across the USA right now. What a cast. Rami Malek, Michael Shannon, Lydia Peckham, Leo Woodall, Richard E. Grant, Lotte Verbeek, Colin Hanks, Mark O’Brien, Wrenn Schmidt. Go and see it in a theatre. Let me know your thoughts.
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NUREMBERG is out in theaters in North America today. Directing this film, telling this story, and working with this incredible troupe of actors was one of the greatest privileges of my life. Eternally grateful. Please see it on the biggest screen you can! 🙏❤️ #NurembergFilm
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NUREMBERG. November 7th
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Mark O’Brien's horror comedy "Nice People" features a star-studded cast and dark humor. #Horror ift.tt/c50L4bf

'Nice People' - Horror Comedy Directed by 'Ready or Not' Star Announces Ensemble Cast

Next up from Ready or Not actor-turned-director Mark O'Brien (The Righteous) is the dark horror comedy Nice People, and Deadline reports that it's found

bloody-disgusting.com
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Mark O'Brien retweeted
Deadline
@DEADLINE16 Sep 2025
Sosie Bacon, Chloe Bennet, Keean Johnson, Skyler Astin & More To Star Opposite Mark O'Brien In His Horror Comedy 'Nice People' deadline.com/2025/09/sosie-b…

Sosie Bacon, Chloe Bennet, Keean Johnson, Skylar Astin, Ayden Mayeri & More To Star Opposite Mark...

Sosie Bacon, Chloe Bennet, Keean Johnson, and Skylar Astin are among the stars of 'Nice People,' an indie horror comedy from director Mark O'Brien.

deadline.com
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Mark O'Brien retweeted
ARROW@ARROW_Player16 Apr 2025
On #NationalCanadaFilmDay, we're shouting out THE RIGHTEOUS, a slow-burn thriller from Newfoundland's own @markobrienNL. A must-watch slice of Canadian cinema 🍁 Now available 🇬🇧🇺🇸🇮🇪 bit.ly/42EQgSh
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Mark O'Brien retweeted
Shudder
@Shudder21 Mar 2025
When several of his fellow Vatican exorcists are simultaneously killed, Father Mason Harper returns to his childhood home, only to find his supposedly dead father is back… and possessed by something less than holy. SHADOW OF GOD starts streaming April 11 on Shudder, during #HalfwayToHalloween.
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Shadow Of God. Streaming on @Shudder April 11th
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TOPPER available NOW! tv.apple.com/us/movie/topper…
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SEVEN VEILS directed by Atom Egoyan hits theaters March 7th!
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Available NOW on @Shudder
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My directorial debut THE RIGHTEOUS is coming to @Shudder January 6th! Check out the trailer- youtu.be/fkQT9AZlPCI?si=MP_X…
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