
Brian Eric Bonsall (born December 3, 1981) is an American rock musician, singer, guitarist and former child actor. He is perhaps best known for his roles as 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.

Blank Check
1994 · as Preston Waters

Mikey
1992 · as Mikey

Father Hood
1993 · as Eddie Charles

Angel of Death
1990 · as Josh

Lily in Winter
1994 · as Michael Towler

Father and Scout
1994 · as Michael Paley

Mother Goose Rock 'n' Rhyme
1990 · as Michael

Mickey's 60th Birthday
1988 · as Andy Keaton

Distant Cousins
1993 · as Alex Sullivan

Go Toward the Light
1988 · as Zack

Do You Know the Muffin Man?
1989 · as Teddy Dollison

You're Melting!
2022 · as Dr. Love

Jay Leno's Family Comedy Hour
1987 · as Self

Alien Danger! With Raven Van Slender
2021 · as Self

Santa's Christmas Snooze
1995