Jeffrey Dean Morgan (born April 22, 1966) is an American actor of television and film, best known for playing the character Negan in the AMC horror drama series The Walking Dead (2016–2022), a role he reprised in The Walking Dead: Dead City (2023-present), for which he has received critical acclaim. He has also appeared in such television roles as John Winchester in the CW fantasy horror series Supernatural (2005–2007; 2019), Denny Duquette in the ABC medical drama series Grey's Anatomy (2006–2009), Jason Crouse in the CBS political drama series The Good Wife (2015–2016), the Comedian in the superhero film Watchmen (2009), as well as film roles including William Gallagher in P.S. I Love You (2007), Clay in The Losers (2010), Sgt. Maj Andrew Tanner in Red Dawn (2012), and Agent Harvey Russell in Rampage (2018).
