★ 8.2 
Acting
John Deignan
John Deignan is best known for Grey's Anatomy, Brooklyn Nine-Nine, Shameless and True Blood.
Known for
Filmography
- 2021HacksStanley
- 2021Colin in Black and WhiteWhite Man
- 2019Abby'sTeddy
- 2018BarryDetective
- 2016This Is UsBartender
- 2016TimelessPlantation Owner
- 2016American Crime StoryFederal Agent
- 2013Brooklyn Nine-NineTrooper Clint
- 2012ScandalLead Officer
- 2011ShamelessHowie
- 2010Rizzoli & IslesSam Lewis
- 2009FlashForwardAndy Weeks
- 2009Parks and RecreationTow Truck Driver
- 2008True BloodFactory Foreman
- 2005Grey's AnatomyVincent
- 2001Law & Order: Criminal IntentZach
Frequently asked questions
What movies and shows has John Deignan been in?
John Deignan is best known for Grey's Anatomy, Brooklyn Nine-Nine, Shameless and True Blood.
Updated: October 31, 2026 ·