Jeffrey Dean Morgan is an American actor. He is best known for playing the character Negan Smith in the AMC horror drama series The Walking Dead (2016–2022), a role he reprised in the spin-off series The Walking Dead: Dead City (2023–present), both of 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, 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).

Negan is a character in the comic book series The Walking Dead, its self-titled television adaptation, and its spin-off series Dead City. He was the leader of the Saviors, a group of survivors in the Sanctuary that oppresses other survivor communities and forces them to pay tribute to him. In the comics, the character's appearance is based on Henry Rollins, as confirmed by Charlie Adlard. Jeffrey Dean Morgan portrays Negan in the television series, having first appeared in the sixth-season finale.