Scarlett Johansson, Daniel Craig, Natalie Portman and Sarah Jessica Parker. They are all big time actors nowadays, but they didn't start out that way. Check out this collection of their work from the early days.
Did you know that Seth Rogan was in Donnie Darko? Do you remember Nicole Kidman in BMX Bandits? Also, you just have to check out Sarah Jessica Parker, lets just say she wasn't always a classy New York woman!