Sign up
Portrait of Mark O'Brien

Acting

Mark O'Brien

Career

Active from 2008 to 2026, busiest in 2025 with 6 main titles.

Leading roles
24
top three billing
Average score
GoodWatch score57/100
Highest rated
Poster for Arrival
Arrival
GoodWatch score84/100

What stands out

Compared with the average well-known movie, over 33 of their titles. Select a trait to filter titles.

Energy: 5.0 versus catalog average 4.6EnergyHeart: 3.9 versus catalog average 4.2HeartHumor: 2.1 versus catalog average 2.6HumorWorld: 6.1 versus catalog average 5.6WorldCraft: 5.9 versus catalog average 5.3CraftStyle: 6.2 versus catalog average 5.9Style
Mark O'Brien Catalog average

Rarely in their work

  • Nostalgia
    2.4, average 3.8
  • Wholesome
    2.0, average 3.4
  • Situational Comedy
    1.5, average 2.7
  • Physical Comedy
    1.1, average 2.4

Main genres

Select a genre to see those titles.

Recurring tags

  • Character Study 5
  • Moral Ambiguity 4
  • Psychological Thriller 3
  • Psychological Drama 3
  • Religious Horror 2
  • Bleak Realism 2
  • Melancholy 2
  • Character-Driven 2
  • Character-Driven Drama 2
  • Dystopian Sci-Fi 2
  • Melancholy Tone 2
  • Coming-of-Age 2

Works often with

People in at least two of their main titles.

Movies and TV shows

58
Type
Role
Score
Decade
Genre
Group by

Upcoming

5 titles
Better People
Better People

as John

Good in the Room
Good in the Room

as Charlie

Soma
Soma

as Paul

Stillwater
Stillwater

TV show · as Deputy Ted Keegan

Nice People
Nice People

Director

2020s

14 titles · average score 62
The Outer Threat
The Outer Threat (2026)
GoodWatch score 50

as Daniel Ashford

The Voices of Our Mother
The Voices of Our Mother (2026)
GoodWatch score 53

as William

Nuremberg
Nuremberg (2025)
GoodWatch score 70

as Colonel John Amen

Shadow of God
Shadow of God (2025)
GoodWatch score 31

as Mason Harper

The Copenhagen Test
The Copenhagen Test (2025)
GoodWatch score 67

TV show · as Edmund Cobb

The Memory Keeper
The Memory Keeper (2025)

as Elizeus Carrier

Seven Veils
Seven Veils (2025)
GoodWatch score 60

as Paul

Topper
Topper (2025)

as Topper

61st Street
61st Street (2022)
GoodWatch score 68

TV show · as Officer Logan

Blue Bayou
Blue Bayou (2021)
GoodWatch score 70

as Ace

The Righteous
The Righteous (2021)
GoodWatch score 63

as Aaron Smith

Your Honor
Your Honor (2020)
GoodWatch score 63

TV show · as Father Jay

2010s

30 titles · average score 61
Ready or Not
Ready or Not (2019)
GoodWatch score 74

as Alex

City on a Hill
City on a Hill (2019)
GoodWatch score 76

TV show · as Jimmy Ryan

Hammer
Hammer (2019)
GoodWatch score 61

as Chris Davis

Goalie
Goalie (2019)
GoodWatch score 41

as Terry Sawchuk

Parallel
Parallel (2018)
GoodWatch score 68

as Josh

The Darkest Minds
The Darkest Minds (2018)
GoodWatch score 44

as Rob Meadows

How It Ends
How It Ends (2018)
GoodWatch score 33

as Jeremiah

Anon
Anon (2018)
GoodWatch score 50

as Cyrus Frear

The Front Runner
The Front Runner (2018)
GoodWatch score 58

as Billy Shore

The Last Tycoon
The Last Tycoon (2017)
GoodWatch score 63

TV show · as Max Miner

Arrival
Arrival (2016)
GoodWatch score 84

as Captain Marks

Republic of Doyle
Republic of Doyle (2010)
GoodWatch score 80

TV show · as Des Courtney

2000s

9 titles · average score 58
Warehouse 13
Warehouse 13 (2009)
GoodWatch score 76

TV show · as Jerry Hoffler

Cut from the Same Cloth
Cut from the Same Cloth (2009)

as Jack Cochrane

Mum's the Word
Mum's the Word (2009)

as Curtis

Quiet at Dawn
Quiet at Dawn (2009)

as Watts

The Four Horsemen
The Four Horsemen (2008)
GoodWatch score 39

as Eric Rollins

The One That Got Away
The One That Got Away (2008)

as Tommy Palchek

Epilogue
Epilogue (2008)

as Henry

Heartless Disappearance Into Labrador Seas
Heartless Disappearance Into Labrador Seas (2008)

as Charlie

Pretty Girls
Pretty Girls (2008)

Director, Writer