Brian Bonsall
Brian Bonsall Born Brian Eric Bonsall (1981-12-03) December 3, 1981 (age 33) Torrance, California, U.S. Occupation Actor Years active 1986–1994 Brian Eric Bonsall (born December 3, 1981) is an American former child actor. He played Andrew "Andy" Keaton, the youngest child on the NBC sitcom Family Ties from 1986 until 1989, and Alexander Rozhenko, the son of Worf and K'ehleyr, on Star Trek: The Next Generation from 1992 to 1994.