Most of them are world famous now, but back then these were struggling actors who had to audition for a part just like everyone else.

They can pretty much laugh off auditioning for parts in movies now. You wouldn't see Brad Pitt or Tom Cruise waiting to hear if they got a part or not.

But there was a time in all actors lives when no one knew who they were and they needed to show their worth on camera before being offered a role.

This video has rare footage of auditions from the likes of Brad Pitt, Natalie Portman, Robert De Niro, Scarlett Johansson, Robert Downey Jr., Megan Fox, Hugh Jackman and Leonardo di Caprio. 

It's clear to see that some of the greats were always great, while others...lets say...discovered their talents along the way.