Have a look at why Mark Hamill became Luke Skywalker:
You may have noticed Harrison Ford in that. Obviously, we all know he went on to play Han Solo but look at what could have been:
As nice as Kurt Russell is, we're happy George Lucas chose Harrison Ford.
And while you're here, sure you may as well watch Carrie Fisher's audition too:
It's all very strange without the special effects and Chewy!!!
