Just The Facts : The movie studio wanted this guy instead of DiCaprio for Titanic

After you watch an epic movie like Titanic, it's hard to imagine the movie without a particular actor.  For example, I can't imagine the superhero Wolverine not being Hugh Jackman, or Daniel Craig not being James Bond.  Can you imagine what Titanic would be like if Leonardo DiCaprio wasn't Jack Dawson?  Turns out he wasn't the studio's first choice..