Find out where Kirk Cameron, Blossom's Mayim Bialik, the Charles in Charge girls and more child stars are in this excerpt from PEOPLE's new book, in stores June 23!
Updated: Wednesday Jun 18, 2008 | 06:00 AM EDT
More from PEOPLE
See More News
17 of 29
Then: He spent eight years as Tim Allen's youngest son, Mark, on Home Improvement. "By 15, I got to travel the world, make a speech on the White House lawn, fly a blimp," says Smith. "But I didn't have some very basic normal kid experiences."
Copyright © 2014 Time Inc. All rights reserved. Reproduction in whole or in part without permission is prohibited.