Ever since The Wizard of Oz, everyone loves to get a peek behind the curtain, and it doesn't get any more insider-y than the audition room. These audition tapes are the ultimate glimpses at stars before they were stars—and they're particularly fun to watch because of the schadenfreude in watching these super-rich and successful people act nervous. [Spoiler alert: They all got the part.]

1. Harrison Ford and Mark Hamill, Star Wars

This black and white, grainy footage is like a sonogram before the births of these legends. Ford's machismo and Hamill's boyish charm were clear at the audition, and later came to define the franchise.