Barney Martin was an American actor, best known for playing Morty Seinfeld, father of Jerry, on the sitcom Seinfeld (1991-1998). He also played supporting roles in Mel Brooks's The Producers (1967), and the Dudley Moore comedy Arthur (1981). He originated the role of Amos Hart (Mr. Cellophane) in the 1976 Broadway production of Chicago.
Born in New York City, Martin served in the U.S. Army Air Force as a navigator during the Second World War before working as an NYPD officer for twenty years, working his way up to detective.
Martin once commented that many Jewish Seinfeld fans told him how much his character reminded them of their fathers. Martin himself was from an Irish Catholic family.