1. Jaleel White
Jaleel White rose to national stardom for his performance in Family Matters as Steve Urkel, which is one of the most memorable TV characters throughout the 80s and 90s. After the nine-year show ended, Jaleel continued to star in many other TV series, but not to the same level. Most recently, Jaleel landed roles in movies The Preacher's Son and The Choir Director.
2. Feral Kid from Mad Max
Emil Minty was best remembered as the feral kid in Mad Max 2: The Road Warrior, throughout which he had no single lines. Minty went on to land small roles in movies and TV shows in the '80s and early '90s, but he retired from acting when he finished school. He's now a jeweler and owns a fine jewelry store in Australia.
3. Tabitha From Bewitched
Erin played the role of daughter Tabitha Stephens on the hit '60s sitcom Bewitched from 1966 to 1972 when she just turned eight. Over the years, Murphy has gradually shifted to a fashion and beauty writer as well as an outspoken advocate for autism awareness. She also has two business ventures - Erin Murphy Knits and Slim Chillers.
4. Charlie Korsmo
Korsmo played prominent roles in Dick Tracy, Hook, and Can't Hardly Wait. The wide-eyed child actor was a big deal in the early '90s. He is quite the brainiac in real-life, too. In 2006, he received a degree from Yale Law School and a physics degree from MIT in 2012. Currently, he's a law professor at Case Western Reserve University in Cleveland.
5. Larisa Oleynik
Larisa is none other than the star of The Secret World of Alex Mack. Shortly after the series finale, the actress embraced her next big break as Bianca in 10 Things I Hate About You. After her '90s fame fizzled out, her most prominent TV roles were on 3rd Rock from the Sun and Hawaii Five-0, and her most recent role is on Mad Men as Ken Cosgrove's wife.
6. Johnny Depp
The Pirates of the Caribbean star got his start in the '80s TV series 21 Jump Street. However, he turned to film for more challenging roles and became Hollywood's leading man for roles in such hit films as Edward Scissorhands, Sleepy Hollow, and Alice in Wonderland. Most recently, Depp was on a band's tour in Russia, barely recognizable.
7. Natalie Portman
Portman made her feature debut on the film The Professional in 1994. She garnered acclaim for her performances in films like V for Vendetta, Closer, and Black Swan. Her recent roles were on Thor: The Dark World and Jane Got a Gun. Portman is married to her Black Swan co-star Benjamin Millepied.
8. Emma Watson
After the Harry Potter series gave Watson a big break at age 11, she returned to school and graduated from Brown University. She then helped launch a UN gender equality campaign called HeForShe, helping destigmatize the word feminist. She also took on movie roles, but selectively. Her most recent part was in the box-office hit Beauty and the Beast as Belle.
9. Leonardo Dicaprio
Titanic turned Leonardo DiCaprio into a reluctant mega-star and Hollywood heartthrob, but he's since garnered critical acclaim for his roles in The Aviator (2004), Django Unchained (2012), The Great Gatsby (2013), The Wolf of Wall Street (2013), and The Revenant (2015). And it's safe to say that after a few Oscar nominations, his acting cred is safe.
10. Justin Timberlake
The singer turned actor began his acting career on The Mickey Mouse Club and later with boy band NSYNC. Since then, he's had tremendous success in both music and acting, with musical hits like Suit & Tie and big-screen successes like The Social Network.
11. Katie Holmes
Katie Holmes started her acting career on Dawson's Creek at 20 in 1998. A few years later, she dabbled in film and starred in Teaching Mrs. Tingle, Wonder Boys, and The Gift. Katie, now 39, has recently starred in a handful of movies and launched her own clothing line, but her career has taken a backseat to motherhood.
12. Kirsten Dunst
Kirsten Dunst, a former child fashion model, portrayed Lux in The Virgin Suicides. Her big breakthrough came in 1994's Interview With a Vampire, where she had her first kiss with Brad Pitt. Later, her role as Mary Jane in Spider-Man trilogy made her an international star. Recently, Dunst was the lead in the comedy Bachelorette.
13. Tiffani Amber Thiessen
The brunette beauty played Kelly Kapowski on Saved by the Bell. She then played bad girl Valerie Malone on Beverly Hills, 90210 (1994 - 1998). Now Thiessen plays Elizabeth Burke on USA's White Collar. In 2015, Thiessen began hosting the Cooking Channel's Dinner at Tiffani's, inviting her famous friends to help her whip up delicious dinners.
14. Christian Bale
Christian Bale started acting at a very young age and at 13 he played the role of Jim 'Jamie' Graham in Steven Spielberg's Empire of the Sun. Bale is considered one of the finest actors of his generation and has a huge list of prestigious films and blockbusters under his belt: from the Dark Knight Batman franchise to The Fighter and Captain Corelli's Mandolin.
15. Jessica Biel
Jessica Biel played Mary Camden on 7th Heaven. Following the show, she found the most success, starring in dozens of movies including The Illusionist, Total Recall, and Hitchcock. She recently starred in and produced her first feature film The Devil and the Deep Blue Sea. In 2015, Biel opened the kid-friendly West Hollywood restaurant Au Fudge.
16. Marley Shelton
Marley Shelton made her film debut in the drama Grand Canyon. She then played the ideal Southern California beauty Wendy Peffercorn on The Sandlot. Shelton continues to do movie and TV work, appearing in Sugar & Spice, Uptown Girls, Mad Men and more. At 39, she still looks every bit the California girl.
17. Zac Efron
Since his High School Musical days, Zac Efron has been super busy with films like Hairspray, New Year's Eve, That Awkward Moment, Neighbors, We Are Your Friends, and Dirty Grandpa. Efron's to-die-for good looks and charm, especially those grayish-blue eyes are just as we remembered them.
18. Mark-Paul Gosselaar
Gosselaar had worked in a few television commercials before playing the role of Zack Morris on Saved by the Bell. After the show, he went on to star in NYPD Blue, guest starred in Happy Endings, and now plays Peter Bash on Franklin & Bash.
19. Alicia Silverstone
Since starring as Cher Horowitz in Clueless, Silverstone's film career peaked with movies like Batman & Robin. She also made her Broadway debut in 2002 and has performed in multiple plays including Time Stands Still. She's then become an animal-rights activist and published a book called The Kind Diet in 2009. In 2014, she wrote a health book called The Kind Mama.
20. Danica Mckellar
Best remembered for the precocious Winnie Cooper in the beloved series The Wonder Years, Winnie Cooper has now shifted from acting to mathematics. Actually, McKellar graduated summa cum laude from UCLA with a degree in mathematics. She even published several math books, including Math Doesn't Suck and Hot Algebra Exposed!