Person
Dan O'Brien
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.
Known for
Grey's Anatomy
Keith Gardner
Law & Order
Delray
How I Met Your Mother
Meeker
The Affair
Seth
American Housewife
Daniel
Whitney
Mark
Gunslingers
Josh
Descendent
Christian
Brand New Old Love
Thom
Occupant
Frank
Filmography
- 2025DescendentChristian
- 2025GunslingersJosh
- 2018OccupantFrank
- 2017Brand New Old LoveThom
- 2016American HousewifeDaniel
- 2015AstraeaJames
- 2014The AffairSeth
- 2011WhitneyMark
- 2005How I Met Your MotherMeeker
- 2005Grey's AnatomyKeith Gardner
- 1990Law & OrderDelray
- —The Delray StoryDelray
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