The 10 best young famous actors got their start as child stars. They were able to make the leap from child actor to young actor smoothly, which is not easy to accomplish. Some characters they choose to portray are emotionally deep, which can cause audiences to forget the young age of the actor. All of the 10 best young famous actors are extremely talented, and mature in their role choices, which shows their range as an actor. 

  1. Dakota Fanning. In 2001 Fanning got her first mainstrea break with her role in "I Am Sam." She has since become one of the most famous young, professional, and non-troublesome stars in Hollywood. One of the 10 best young famous actors because she has been well known, and respected since a young age.

  2. Ellen Page. It is easy to forget how young of an actor Ellen Page because she picks mature movie roles. She started her acting career on the television show "Pit Pony," but quickly streamlined to movies. Movies that have made her famous include, "Hard Candy," "Juno," and "Inception."

  3. Shia LaBeouf. LaBeouf gained notoriety when at a young age he began starring in the Disney Channel show "Even Stevens." More recently, the young star has played the leading role in the "Transformer" installments. One of the 10 best young famous actors because he's had a steady and popular acting career since a young age.

  4. Abigail Breslin. Born in 1996, she made her acting debut at the age of six in the movie "Signs." Since then, she has gone from child star, to one of the best young famous actors. Other movies that fueled her popularity include, "Zombieland," "Little Miss Sunshine," and "My Sister's Keeper."

  5. Zac Efron. He began performing in musicals at an early age, and Efron's first production was "Gypsy." He became famous at a young age for his role in the 2006 made for television movie, "high school Musical." One of the 10 best young famous actors because Efron can sing, dance, and act. He showcased all those abilities in the movie "Hairspray."

  6. Daniel Radcliffe. The young and extremely recognizable Radcliffe portrays Harry Potter in the "Harry Potter" movies. Audiences got to watch Radcliffe grow up through each movie. One of the 10 best young famous actors because his fame is worldwide thanks to his Potter role.

  7. Emma Roberts. Born in 1991, Emma Roberts is the niece of famous actress Julia Roberts. Robert's rise to fame has been slow, but recently her popularity has skyrocketed. She was a television actor on the show "Unfabulous" from 2004-2007, and in the movie "It's Kind of a Funny Story." She was in a lot of feel-good family movies, and more recently has chosen mature roles.

  8. Kristen Stewart. Her celebrity status became a famous actor when Stewart's role as Bella Swan in the "Twilight" movies became known worldwide. Born in 1990, she has also starred in the movies "Into the Wild," "Jumper," and "Adventureland." One of the 10 best young famous actors because her promising career has no signs of slowing down.

  9. Saoirse Ronan. Born in 1994, she quickly became one of the best young famous actors when starring in a television series in 2003. At the age of thirteen she starred in the movie, "Atonement," which gained her a Best Supporting Actress nominee at the Oscars. Since then she has become widely known for her role as the lead girl in the movie "The Lovely Bones."

  10. Amanda Seyfried. One of the 10 best young famous actors became well known for being high school girl in "Mean Girls." She showed acting range when portraying Meryl Streep's ABBA-singing daughter in "Mamma Mia!" The famous young actor was also a part of "Dear John," which took ove the box office top spot from "Avatar."