Dennis Dugan was born on 01 Sep 1946 in Wheaton, Illinois, USA.

Dennis Dugan appeared in the movie Brain Donors(1992), Happy Gilmore(1996), Harry and Walter Go to New York(1976), "Moonlighting"(1985), Night Moves(1975), Parenthood(1989), She's Having a Baby(1988), Smile(1975), The Howling(1981), The New Adventures of Pippi Longstocking(1988), The New Adventures of Pippi Longstocking(1988), Water (1985/I)(1984)。