Patrick Thomas O'Brien
Patrick Thomas O'Brien is an actor, born 1951.
Patrick Thomas O'Brien is an American actor. He is perhaps best known for playing the role of Mr. Dewey, the math teacher from Saved by the Bell.
Patrick Thomas O'Brien is an actor, born 1951.
Patrick Thomas O'Brien is an American actor. He is perhaps best known for playing the role of Mr. Dewey, the math teacher from Saved by the Bell.