Mark Duplass

Actor
Producer
Writer

A Midwestern couple who adopts what they believe is little girl with dwarfism. As they begin to raise her alongside their three biological children, falling into a battle fought in the tabloids, the courtroom and ultimately their marriage.

Play trailer2:27

Good American Family (2025)

Mark Duplass was born on 7 December 1976 in New Orleans, Louisiana, USA. He is an actor and producer, known for Creep (2014), Safety Not Guaranteed (2012) and The One I Love (2014). He has been married to Katie Aselton since 26 August 2006. They have two children.

More at IMDbPro

IMDbProStarmeter Top 5,000137

View contact info at IMDbPro

Won 1 Primetime Emmy
- 13 wins & 28 nominations total

Mark Duplass and Patrick Brice's Top 10 Horror Films

Mark Duplass and Patrick Brice, the creators of the Creep series, chatted with IMDb at Fantastic Fest before the premiere of "The Creep Tapes" Season 2 to share their top 10 favorite horror movies of all time.

See the list

List

Photos372

+ 367

Known for

Creep

6.3

Josef

2014

Safety Not Guaranteed

6.9

Kenneth

2012

The One I Love

7.0

Ethan

2014

Your Sister's Sister

6.7

Jack

2011

Credits

IMDbPro

Actor

Mating Season
6.6
TV Series
- Connor (voice)
- 2026
Backrooms
6.8
- Phil
- 2026
Mine
Short
- Scott
- 2026
The Creep Tapes
6.8
TV Series
- Peachfuzz
- Jeff Daniels
- Father Tom Durkin ...
- 2024–2025
The Morning Show
8.1
TV Series
- Chip Black
- 2019–2025
Noah Britton: The Best Stuff I've Ever Done
TV Special
- The Narrator (voice)
- 2025
Under the Lights
6.3
- Principal Mark
- 2025
Hurricanna
3.3
- 2025
Big Mouth
7.8
TV Series
- Val Bilzerian (voice)
- 2017–2025
Good American Family
6.8
TV Mini Series
- Michael Barnett
- 2025
The Long Long Night
TV Series
- Pete
- 2024
Oh, Christmas Tree
6.3
Short
- Ben
- 2024
Pretzel and the Puppies
7.5
TV Series
- Pretzel (voice)
- 2022–2023
Biosphere
5.5
- Billy
- 2022
Wes Is Dying
6.6
- Mark
- 2022

Producer

Their Town
7.3
- executive producer
- producer
- 2026
See You When I See You
7.4
- executive producer
- 2026
The Creep Tapes
6.8
TV Series
- executive producer
- producer
- 2024–2025
Blue Film
6.8
- consulting producer
- 2025
The Baltimorons
6.9
- executive producer
- 2025
Magic Hour
4.6
- executive producer
- 2025
Somebody Somewhere
8.3
TV Series
- executive producer
- 2022–2024
The Long Long Night
TV Series
- executive producer
- 2024
Out There: Crimes of the Paranormal
6.3
TV Series
- executive producer
- 2024
Penelope
6.4
TV Series
- executive producer
- 2024
Jazzy
6.0
- executive producer
- 2024
The Knife
5.6
- executive producer
- 2024
Oh, Christmas Tree
6.3
Short
- executive producer
- 2024
Between the Mountain and the Sky
8.9
- executive producer
- 2024
Paper Marriage
7.5
- executive producer
- 2024

Writer

Their Town
7.3
- written by
- 2026
The Creep Tapes
6.8
TV Series
- written by
- created by
- 2024–2025
Magic Hour
4.6
- written by
- 2025
Penelope
6.4
TV Series
- written by
- created by
- co-writer (created by)
- 2024
The Knife
5.6
- written by
- 2024
Oh, Christmas Tree
6.3
Short
- Writer
- 2024
Biosphere
5.5
- written by
- 2022
Language Lessons
7.1
- written by
- 2021
Room 104
6.1
TV Series
- written by
- created by
- Writer ...
- 2017–2020
Paddleton
7.2
- written by
- 2019
Unlovable
6.1
- writer
- 2018
Creep 2
6.4
- written by
- 2017
Table 19
5.9
- story by
- 2017
Blue Jay
7.2
- written by
- 2016
Togetherness
7.4
TV Series
- written by
- teleplay by
- created by ...
- 2015–2016

In-development projects at IMDbPro

Videos103

Clip 3:32

"The Morning Show" Stars Reveal the Traits They Share With Their Characters

Clip 2:13

Manhunt: Unabomber - Fitz Questions Ted's Brother

Clip 2:13

Manhunt: Unabomber - Fitz Questions Ted's Brother

"How Long Do We Wait" from Greenberg

Clip 1:02

Â“Musso and FrankÂ” from Greenberg

Personal details

Official sites
- Instagram
- X
Alternative name
- Mark David Duplass
Height
- 5′ 10½″ (1.79 m)
Born
- December 7, 1976
- New Orleans, Louisiana, USA
Spouse
- Katie AseltonAugust 26, 2006 - present (2 children)
Children
Parents
Relatives
- Jay Duplass(Sibling)
Publicity listings

Did you know

Trivia
Mark works as a filmmaking team with his brother, Jay Duplass. He used to play in the indie-rock band "Volcano, I'm Still Excited!!" on Polyvinyl Records.