Jeffrey Dean Morgan (born April 22, 1966) is an American actor, best known to television and movie audiences as Denny Duquette on Grey's Anatomy, patriarch John Winchester on Supernatural, and as the Comedian in the 2009 superhero film Watchmen. This book is your ultimate resource for Anna Sophia Robb. Here you will find the most up-to-date information, photos, and much more. Jeffrey Dean Morgan. Here you will find the most up-to-date information, photos, and much more. In easy to read chapters, with extensive references and links to get you to know all there is to know about his Early life, Career and Personal life right away. A quick look inside: Jeffrey Dean Morgan, Dead & Breakfast, Six: The Mark Unleashed, Chasing Ghosts (film), Jam (film), Kabluey, P.S. I Love You (film), The Accidental Husband, Days of Wrath, Watchmen (film), Taking Woodstock, Shanghai (2010 film), The Losers (film), The Losers (Vertigo), Jonah Hex (film), The Resident (film), Texas Killing Fields, Red Dawn (2012 film), The Burning Zone, Provider (Angel), Carpenter Street, Weeds (TV series), Supernatural (TV series), Grey's Anatomy.