Candace Cameron Bure
Candace Cameron Bure managed to keep it together after the end of Full House. She continued working, and starred in several Hallmark films and other guest roles. Now, she's back as DJ Tanner all grown up on Fuller House, and she's also a co-host on The View.
Ryan Gosling made his debut on The Mickey Mouse Club, but he really become well-known after starring on the film, The Notebook. Now, he's basically everywhere, and in addition to a successful acting career, he supports several charities and organizations.
Danica McKellar is best known for her role as Winnie Cooper on The Wonder Years, but that fame didn't send her off the rails one bit. She's had a few other acting roles sense and has competed on Dancing with the Stars, but she also went to UCLA and became an important role model for young women.
For as long as Leonardo DiCaprio has been around Hollywood, he's done a pretty great job of staying on a solid path. He's had a steady, successful career and finally won an Oscar this year. He's also known for his charity efforts and environmental activism.
Alyssa Milano continued her acting career after Who's the Boss?, and she also remained pretty level-headed. She's also known for her work with organizations such as UNICEF and the Global Network for Neglected Tropical Diseases.
Mark-Paul Gosselaar had no problem whatsoever when it came to reinventing himself after Saved By the Bell. He went on to appear on several films and had a long arc on NYPD Blue. Now, he looks totally different than he used to as Mike Lawson on the Fox drama, Pitch.