Tom Hanks very first credited movie role was as "Elliot" in the 1980 movie He Knows You're Alone.
Natalie Portman excelled alongside Jean Reno in the blockbuster classic Leon: The Professional. The beginning of a great career!
Can you remember Reese Witherspoon, Natalie Portman and Ryan Reynold's first roles?
We've checked them out and assembled this gallery for you...