DALLAS — Philip McKeon, who as a child actor was featured as the son of Linda Lavin’s Alice Hyatt in the 1980s CBS situation comedy “Alice,” has died in Texas at age 55, a family spokesman said.

Spokesman Jeff Ballard said McKeon died Tuesday after a long illness. He said details how McKeon died were being withheld at his family’s request.

McKeon acted in the role of Tommy Hyatt in “Alice” from 1976 to 1985. His most recent acting role was in the video “Ghoulies IV,” which was released in 1994.

Survivors include Nancy McKeon, his sister best known for playing Jo Polniaczek in the 1980s comedy “The Facts of Life.”