Dan O'Brien

Known for

Acting

Biography

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.

Best known work

Grey's Anatomy

2005

How I Met Your Mother

2005

Law & Order

1990

The Affair

2014

American Housewife

2016

Gunslingers

2025

Descendent

2025

Whitney

2011

Brand New Old Love

2017

Astraea

2015

Filmography

TBA
The Delray Story
as Delray
2025
Descendent
as Christian
2025
Gunslingers
as Josh
2018
Occupant
as Frank
2017
Brand New Old Love
as Thom
2016
American HousewifeTV
as Daniel (1 episode)
2015
Astraea
as James
2014
The AffairTV
as Seth (1 episode)
2011
WhitneyTV
as Mark (38 episodes)
2005
How I Met Your MotherTV
as Meeker (1 episode)
2005
Grey's AnatomyTV
as Keith Gardner (2 episodes)
1990
Law & OrderTV
as Delray (1 episode)