Jonathan Southworth "John" Ritter (September 17, 1948 – September 11, 2003) was an American actor, best known for his role of Jack Tripper in the ABC sitcom Three's Company, for which he won an Emmy and a Golden Globe Award in 1984; also playing the same role in Three's a Crowd was the son of the late singing cowboy star Tex Ritter, and the father of actors Jason Ritter and Tyler Ritter.