Natalie Portman 'Léon: The Professional' -
Natalie Portman was 13 when she acted and starred in her first film, 'Léon: The Professional' (1994), as a girl adopted by an assassin.
Zach Galifianakis ‘Boston Common’, ‘Flushed’ - In 1999, his first movie role was as Pathetic Guy in a film that only took place in bathrooms called 'Flushed.'
Nicole Kidman 'Bush Christmas' - This Hollywood star's career is now in its third decade. Kidman's first film was 'Bush Christmas' in 1983.
Cameron Diaz 'The Mask' - Once the biggest actress in Hollywood, Cameron Diaz's first-ever role was as the main love interest in 1994's 'The Mask.'
Jennifer Lawrence ‘Monk’, 'The Poker House' - Now the first pick for every Hollywood blockbuster, Jennifer Lawrence's first role was as a mascot in the OCD detective TV show 'Monk' in 2006.
Jake Gyllenhaal ‘City Slickers’ -
Now best-known for starring in 'Nightcrawler', Jake Gyllenhaal got his start in 1991 playing a minor character in the Billy Crystal comedy ‘City Slickers.'
Viola Davis ‘The Substance of Fire’ - Now the star of 'How to Get Away with Murder' and 'Fences,' Viola Davis' first appearance was in the 1996 movie 'The Substance of Fire.'
Matt Damon ‘Mystic Pizza’ - Matt Damon's first entry into the film industry was playing Steamer in 1988's 'Mystic Pizza.'
Tom Cruise ‘Endless Love’ -
The former king of Hollywood's first movie was ‘Endless Love’ (1981), where he played a small role in the film about forbidden teenage love.
Jay Chou ‘Initial D’ -
Known for his starring role in 'The Green Hornet,' Chou's first full-length credit was in the 2005 film 'Initial D.'