Patrick O'Sullivan

Patrick O'Sullivan was born as Patrick Celtic O'Sullivan. The son of Irish immigrants from the counties of Cork and Leitrim, he is a citizen of both Ireland and the United States. He is an actor and writer, known for Knight (2003), Smiley (2012) and Tomorrow's Yesterday (2006). Former lead singer of the rock band, Samsara, that featured Dylan Donkin on lead guitar and Adam Donkin on bass.

Known For


Cast Credits

Dr. Ken (2015)
Guest starring as Dr. O'Sullivan
Grandfathered (2015)
Guest starring as Finance Guy
  • Episode 1x14: Budget Spa (Feb 2, 2016) [Co-Star]
The Neighbors (2012)
Guest starring as Johnny Unitas (14 episodes)
Happy Endings (2011)
Guest starring as Ted
Dr. Vegas (2004)
Guest starring as Rex
  • Episode 1x05: Limits (Oct 22, 2004)