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
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Then: He played a computer geek who builds the perfect woman (played by Kelly LeBrock) in the 1985 hit Weird Science. "It was really luck – luck that I was happy people mistook for a skill," Smith says about his acting career.
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