Brian was born in Torrance California in 1981, and grew up as a child actor in Hollywood. He filled a variety of roles, during his acting career between the ages of three and fourteen, which include "Andy Keaton" on Family Ties (1982); Worf's son "Alexander Rozshenko" on Star Trek: The Next Generation (1987) and "Preston Waters" in the Disney hit ...
Living in/around the Boulder, Colorado area, he is now a member of the band Thrasher. [July 2006]
his band Thruster broke up, and Brian is still living in Colorado. [December 2006]
Since leaving the screen, Bonsall has had a number of run-ins with the law back in Colorado. In 2001, he was convicted of driving under the influence, and in 2004, he was arrested under suspicion of drunk driving. In March, 2007, he was arrested for charges of second degree assault and false imprisonment after an altercation with his girlfriend. In a plea bargain, he pleaded guilty to third degree assault and the other charges were dropped. He was then sentenced to 24 months probation on August 31st.
Decided to take a break from acting to focus more on music. He and his family also move to Colorado. 
Graduated from Boulder High School. [June 2000]
He donated many items to Rocky Stone to be given to less fortunate kids as part of the Toy Mountain Campaign.