<P> John Eric Winchester is a fictional character on The CW 's series Supernatural , and the protagonist of the comic book spin - off series Supernatural : Origins . Developed by series creator Eric Kripke , the character is mainly portrayed by Jeffrey Dean Morgan . John is the father of Sam and Dean Winchester , the show 's protagonists . </P>
<P> John Eric Winchester is a fictional character on The CW 's series Supernatural , and the protagonist of the comic book spin - off series Supernatural : Origins . Developed by series creator Eric Kripke , the character is mainly portrayed by Jeffrey Dean Morgan . John is the father of Sam and Dean Winchester , the show 's protagonists . </P>
who played sam and dean 's father in supernatural
who played sam and dean 's father in supernatural
Jeffrey Dean Morgan
Jeffrey Dean Morgan