Johnathan Southworth Ritter (September 17, 1948 – September 11, 2003) was an American actor. He was a son of the singing cowboy star Tex Ritter and the father of actors Jason and Tyler Ritter. He is best known for playing Jack Tripper on the ABC sitcom Three's Company (1977–1984), and received a Primetime Emmy Award and a Golden Globe Award for...