Claim to fame:
He is best known for playing Andrew "Andy" Keaton, the youngest child on the NBC sitcom Family Ties from 1986 through 1989.
He also had the recurring role of Alexander Rozhenko, the 3/4 Klingon - 1/4 human son of Worf, on Star Trek: The Next Generation from 1992-1994.
Where are they now?
In 1995, Bonsall retired from acting and moved with his mother and stepfather to Boulder, Colorado. He attended Boulder High School, graduating in 2000.
He also became a musician, forming a rock band with his friends called "Late Bloomers" in 1998. He has also been in the Boulder-based punk bands "Thruster" as well as "The Light on Adam's Stereo". He was in the Los Angeles-based punk band This Life of Mine, but is also working on solo projects.