Jason Miller (playwright)
Jason Miller was an American actor and playwright. He received the 1973 Pulitzer Prize for Drama for his play That Championship Season, and was widely recognized for his role as Father Damien Karras in the 1973 horror film The Exorcist, a role he reprised briefly in The Exorcist III. He later became Artistic Director of the Scranton Public Theatre in Scranton, Pennsylvania, where That Championship Season was set.
Miller was born John Anthony Miller, Jr. in Queens, New York to Mary Claire , a teacher, and John Anthony Miller,Sr. an electrician. His ancestry included Irish Catholic with some admixture of German.
Source: Wikipedia