What American actor also known for playing John Winchester on Supernatural, was also in the film Six: The Mark Unleashed?
Six: The Mark Unleashed: Six: The Mark Unleashed is a 2004 Christian action-drama film starring Stephen Baldwin, Kevin Downes, David A. R. White, Eric Roberts, and Jeffrey Dean Morgan. Jeffrey Dean Morgan:  He is known for playing John Winchester on "Supernatural", Denny Duquette on the medical drama "Grey's Anatomy", The Comedian in the 2009 superhero film "Watchmen", Jason Crouse on "The Good Wife", and Negan on "The Walking Dead".
i don't know