<P> Jeffrey Dean Morgan ( born April 22 , 1966 ) is an American actor . He is known for his roles as John Winchester on the fantasy horror series Supernatural ( 2005 -- 07 ) , Denny Duquette on the medical drama series Grey 's Anatomy ( 2006 -- 09 ) , The Comedian in the superhero film Watchmen ( 2009 ) , Jason Crouse on the political drama series The Good Wife ( 2015 -- 16 ) , Negan on the horror drama series The Walking Dead ( 2016 -- present ) , and Harvey Russell in Rampage ( 2018 ) . </P>
<P> Jeffrey Dean Morgan ( born April 22 , 1966 ) is an American actor . He is known for his roles as John Winchester on the fantasy horror series Supernatural ( 2005 -- 07 ) , Denny Duquette on the medical drama series Grey 's Anatomy ( 2006 -- 09 ) , The Comedian in the superhero film Watchmen ( 2009 ) , Jason Crouse on the political drama series The Good Wife ( 2015 -- 16 ) , Negan on the horror drama series The Walking Dead ( 2016 -- present ) , and Harvey Russell in Rampage ( 2018 ) . </P>
who plays sam and dean 's young dad
who plays sam and dean 's young dad
Jeffrey Dean Morgan
Jeffrey Dean Morgan