Appeared as himself on My Name Is Earl (2005) in the episode, Our 'Cops' Is On! (2007). He brags about his celebrity, by referencing his sixty-two lines on his "IMDb" page. At the time the program was aired, he had sixty-three.
Attended Central Bucks High School West (Doylestown, Pennsylvania) and Boston College (Class of 1978).
Has two children: Murphy and Doyle.
Is not related to actor Robert Stack despite a popular misconception.
Son of Tom and Joan Stack (died 2011) ; brother of Nina and Patrick Stack.
