Scarlett Johansson's audition for Jumanji Gerard Butler's audtion for Dracula 2000

Jason Segel's audition for Freaks & Geeks Maisie Williams & Sophie Turner's audition for Game of Thrones

Evageline Lilly's audition for Lost Demi Lovato's audition for Sunny with a Chance Aaron Paul's audition for Breaking Bad

Christopher Mintz-Plasse's audition for Superbad Kate Moss' audition for L'Oreal commercial Hugh Laurie's audition for Hou...

Steve Carell's audition for Anchorman Rachel McAdam's audition for The Notebook Alyson Hannigan's audition for American Pie

Miley Cyrus' audition for Hannah Montana Blake Lively's audition for Gossip Girl Russell Brand's audition for Forgetting Sarah...

Hugh Jackman's audition for X-Men's Wolverine Selena Gomez's audition for Wizards of Waverly Place Chris Colfer's audition...

It only takes one special role to launch a career on the A-list. Landing that role though, that's the hard part. If you want to be someb...