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
27 Mar 2005
How I Met Your Mother
19 Sep 2005
Law & Order
13 Sep 1990
The Affair
12 Oct 2014
American Housewife
11 Oct 2016
Gunslingers
11 Apr 2025
Whitney
22 Sep 2011
Descendent
08 Aug 2025
Filmography
2025
- Descendentas Christian
- Gunslingersas Josh
2018
- Occupantas Frank
2017
- Brand New Old Loveas Thom
2016
- American Housewifeas Daniel1 episode
2015
- Astraeaas James
2014
- The Affairas Seth1 episode
2011
- Whitneyas Mark38 episodes
2005
- How I Met Your Motheras Meeker1 episode
- Grey's Anatomyas Keith Gardner2 episodes
1990
- Law & Orderas Delray1 episode