
John P. Navin Jr. (born July 24, 1968) is an American film and television actor from Philadelphia. He is well known for his roles in the 1981 drama film Taps and the 1983 movie Losin' It. He also starred in National Lampoon's Vacation as Cousin Dale. Navin starred in the short-lived 1983 television series Jennifer Slept Here. He has made guest appearances on the television shows The Facts of Life, Gimme a Break!, Silver Spoons, Cheers, and Double Trouble.
as Hobart 'Ox' Doyle

as Boy
1982

1979

as Hobart 'Ox' Doyle
1982

1981

as Cousin Dale
1983

as Miles
1984

as Couple at Drive-In
1985

as Derek Mellott
1981

as Wendell/Whimp
1983
1986

as Joey Elliot
1983

as Billy
1984
as Cousin Dale
1983
as Hobart 'Ox' Doyle
2 ep.