Acting

Dan O'Brien

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.

Known For

American Housewife

How I Met Your Mother

Filmography

12 titles · Newest first · Cast and crew credits

Descendent

2025 · Movie

Christian

Gunslingers

2025 · Movie

Josh

Occupant

2018 · Movie

Frank

Brand New Old Love

2017 · Movie

Thom

American Housewife

2016 · TV Show

Daniel

Astraea

2015 · Movie

James

The Affair

2014 · TV Show

Seth

Whitney

2011 · TV Show

Mark

Grey's Anatomy

2005 · TV Show

Keith Gardner

How I Met Your Mother

2005 · TV Show

Meeker

Law & Order

1990 · TV Show

Delray

The Delray Story

Date unknown · Movie

Delray