4. Elle Fanning
© Phoebe in Wonderland/ThinkFilm © Teen Spirit/Lionsgate Films
Elle has been featuring in things since she was 2. She played the primary legend in Phoebe in Wonderland when she was 10. Quite a while later, we can see her young face in Teen Spirit.
3. Neil Patrick Harris
© Doogie Howser, M.D. /Page move-ensured American Broadcasting Company © How I Met Your Mother/twentieth Century Fox Television
He originally showed up on screen at 2 years old yet ended up prominent after his job of Doogie Howser in the eponymous arrangement. Today, he’s notable as Barney Stinson in How I Met Your Mother.