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.

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Won 1 Primetime Emmy
- 12 wins & 27 nominations total

Photos350

+ 346

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

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IMDbPro

Actor

Good American Family
6.5
TV Mini Series
- Michael Barnett
- 2025
The Creep Tapes
6.8
TV Series
- Peachfuzz
- 'Jeff Daniels'
- 2024
The Long Long Night
TV Series
- Pete
- 2024
Oh, Christmas Tree
5.9
Short
- Ben
- 2024
The Morning Show
8.2
TV Series
- Chip Black
- 2019–2023
Big Mouth
7.8
TV Series
- Val Bilzerian (voice)
- 2017–2023
Pretzel and the Puppies
7.7
TV Series
- Pretzel (voice)
- 2022–2023
Biosphere
5.5
- Billy
- 2022
Wes Is Dying
6.7
- Mark
- 2022
7 Days
6.5
- Daddy (voice)
- 2021
Calls
7.7
TV Series
- Patrick (voice)
- 2021
Language Lessons
7.1
- Adam
- 2021
Room 104
6.1
TV Series
- Graham Husker
- 2020
When the Streetlights Go On
6.6
TV Series
- Mr. Carpenter
- 2020
Bombshell
6.8
- Doug Brunt
- 2019

Producer

The Baltimorons
9.0
- executive producer
- 2025
Magic Hour
7.8
- executive producer
- 2025
The Creep Tapes
6.8
TV Series
- producer
- executive producer
- 2024
The Long Long Night
TV Series
- executive producer
- 2024
Out There: Crimes of the Paranormal
6.4
TV Series
- executive producer
- 2024
Penelope
6.3
TV Series
- executive producer
- 2024
Jazzy
6.0
- executive producer
- 2024
The Knife
7.2
- executive producer
- 2024
Oh, Christmas Tree
5.9
Short
- executive producer
- 2024
Between the Mountain and the Sky
9.4
- executive producer
- 2024
Paper Marriage
8.2
- executive producer
- 2024
American Conspiracy: The Octopus Murders
6.7
TV Series
- executive producer
- 2024
Somebody Somewhere
8.2
TV Series
- executive producer
- 2022–2023
Music Box
7.4
TV Series
- executive producer
- 2023
Last Stop Larrimah
7.1
TV Series
- executive producer
- 2023

Writer

Magic Hour
7.8
- co-writter
- 2025
The Creep Tapes
6.8
TV Series
- created by
- written by (creator)
- 2024
Penelope
6.3
TV Series
- created by
- written by (creator)
- 2024
The Knife
7.2
- Writer
- 2024
Oh, Christmas Tree
5.9
Short
- Writer
- 2024
Biosphere
5.5
- written by
- 2022
Language Lessons
7.1
- written by
- 2021
Room 104
6.1
TV Series
- created by
- written by
- teleplay by
- 2017–2020
Paddleton
7.2
- written by
- 2019
Unlovable
6.1
- writer
- 2018
Creep 2
6.4
- written by
- 2017
Table 19
5.8
- story by
- 2017
Blue Jay
7.3
- written by
- 2016
Togetherness
7.5
TV Series
- created by
- written by
- story by (creator) ...
- 2015–2016
Creep
6.3
- story
- 2014

In-development projects at IMDbPro

Videos98

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

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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

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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.