Dan O'Brien
Acting
Male
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.
Also Known As
- Daniel G. O'Brien
Known For
Grey's Anatomy
March 27, 2005
How I Met Your Mother
September 19, 2005
Law & Order
September 13, 1990
The Affair
October 12, 2014
American Housewife
October 11, 2016
Gunslingers
April 11, 2025
Whitney
September 22, 2011
Descendent
August 08, 2025
Brand New Old Love
August 01, 2017
Astraea
February 27, 2015
Occupant
November 25, 2018