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Dan O'Brien

Acting

Also known as Daniel G. O'Brien

IMDb

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.

Filmography10 titles

Grey's Anatomy

2005as Keith Gardner

How I Met Your Mother

2005as Meeker

American Housewife

2016as Daniel

Law & Order

1990as Delray

The Affair

2014as Seth

Gunslingers

2025as Josh

Descendent

2025as Christian

Astraea

2015as James

Whitney

2011as Mark

Brand New Old Love

2017as Thom