Patrick Thomas O'Brien is married to Anna M. O'Brien. [view couple]
Patrick Thomas O'Brien (born January 26, 1951) is an American actor. He is perhaps best known for playing the role of Mr. Dewey, the math teacher from Saved by the Bell....
Connect any celebrity with Patrick Thomas O'Brien to see how closely they are linked... romantically!
American male television actors
American male film actors
University of Wisconsin–Eau Claire alumni
American television actors
American film actors