Sneak Peek! Child Stars: Then & Now

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!


Then: Roles on Our House, St. Elsewhere, Dr. Quinn, Medicine Woman and My Two Dads painted Allen (right, with his Dads castmates) as a clean-cut good guy. "I was the golden boy," he says. "It was this idealized version of me, so far removed from my reality. I had no idea who that kid was."