Dan O'Brien

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

5.80

Whitney

4.80

Movie

Descendent

Acting

2025

Descendent

Movie

Christian

2025

Gunslingers

Movie

Josh

2016

American Housewife

Daniel

2011

Whitney

Mark

2005

How I Met Your Mother

Meeker

2005

Grey's Anatomy

Keith Gardner

1990

Law & Order

Delray

Dan O'Brien

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.