<P> Jonathan Southworth Ritter ( September 17 , 1948 -- September 11 , 2003 ) was an American actor and comedian . He was a son of the singing cowboy star Tex Ritter and the father of actors Jason Ritter and Tyler Ritter . Ritter was known for playing Jack Tripper on the ABC sitcom Three 's Company ( 1977 -- 1984 ) , for which he received a Primetime Emmy Award and a Golden Globe Award in 1984 . He briefly reprised the role on the spin - off Three 's a Crowd , which aired for one season . </P>
<P> Jonathan Southworth Ritter ( September 17 , 1948 -- September 11 , 2003 ) was an American actor and comedian . He was a son of the singing cowboy star Tex Ritter and the father of actors Jason Ritter and Tyler Ritter . Ritter was known for playing Jack Tripper on the ABC sitcom Three 's Company ( 1977 -- 1984 ) , for which he received a Primetime Emmy Award and a Golden Globe Award in 1984 . He briefly reprised the role on the spin - off Three 's a Crowd , which aired for one season . </P>
who played jack tripper on three 's company
who played jack tripper on three 's company
Jonathan Southworth Ritter
Jonathan Southworth Ritter