Dan O'Brien

Born · undefined NaN, NaN (undefined years old)

Known For: Acting

Place of Birth:

Bio

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.

Known for

Grey's Anatomy

How I Met Your Mother

Law & Order

American Housewife

The Delray Story

Delray

5.0

Gunslingers

Josh

6.5

2025

Descendent

0.0

2025

Occupant

Frank

6.0

2018

Brand New Old Love

Thom

3.9

2017

American Housewife

Daniel · (1 episode)

7.7

2016

Astraea

James

5.8

2015

Whitney

Mark · (38 episodes)

4.9

2011

How I Met Your Mother

Meeker · (1 episode)

8.1

2005

Grey's Anatomy

Keith Gardner · (2 episodes)

8.2

2005

Law & Order

Delray · (1 episode)

7.4

1990