1. Jude Law and Ewan McGregor
Before either of them hit it big, Jude Law and Ewan McGregor roomed together in London. They also co-founded the production company Natural Nylon with Jonny Lee Miller, Sadie Frost (then Jude’s girlfriend), and a number of others around that time. Natural Nylon produced such films as eXistenZ and Sky Captain and the World of tomorrow, though it folded after Ewan and Jude left in 2002 and 2003 respectively. Ah well—onto bigger things!