sentences:  The role was portrayed by John Lupton from July 10, 1967 to May 3, 1971, December 23, 1971 to July 3, 1972, May 9 to 11, 1973, October 24, 1975 to April 27, 1978 and finally from December 22, 1978 to March 7, 1980.Thomas Horton Jr. is the eldest son of Dr. Tom Horton Sr. and his wife Alice.He is Addie Horton's twin, born in 1931 and affectionately called "Tommy."