Dan O'Brien

Person

Dan O'Brien

Acting

Dan O'Brien is an actor, known for Whitney (2011), Grand Theft Auto IV (2008) and The Delray Story (2011). He graduated from the University of Notre Dame in 1999.

IMDb

Known for

Popular titles

Grey's Anatomy

Grey's Anatomy

8.2 2005 TV Show
How I Met Your Mother

How I Met Your Mother

8.1 2005 TV Show
Law & Order

Law & Order

7.3 1990 TV Show
The Affair

The Affair

6.7 2014 TV Show
American Housewife

American Housewife

7.7 2016 TV Show
Gunslingers

Gunslingers

6.0 2025 Movie
Whitney

Whitney

5.2 2011 TV Show
Descendent

Descendent

5.7 2025 Movie
Brand New Old Love

Brand New Old Love

3.9 2017 Movie
Occupant

Occupant

6.0 2018 Movie
Astraea

Astraea

6.0 2015 Movie

Filmography

Movies and shows, newest first

  1. 2025
    Descendent

    Movie Christian

  2. 2025
    Gunslingers

    Movie Josh

  3. 2018
    Occupant

    Movie Frank

  4. 2017
    Brand New Old Love

    Movie Thom

  5. 2016
    American Housewife

    TV show Daniel

  6. 2015
    Astraea

    Movie James

  7. 2014
    The Affair

    TV show Seth

  8. 2011
    Whitney

    TV show Mark

  9. 2005
    How I Met Your Mother

    TV show Meeker

  10. 2005
    Grey's Anatomy

    TV show Keith Gardner

  11. 1990
    Law & Order

    TV show Delray

  12. —
    The Delray Story

    Movie Delray