Seventy years ago this week, the film world changed forever with the release of 'The Wizard of Oz.' The classic film still stands the test of time despite its 1939 release, but since remakes are all the rage these days, it got us thinking about who would be great in different 'Oz' roles. So, we're leaving it up to you to pick who should be cast for each prominent role in the film. After the jump, our top 4 choices for each role for you to decide on!