15 Casting Decisions That Could Have Altered Hollywood as We Know It

Movie casting is, to a large extent, a big game of musical chairs.

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Movie casting is, to a large extent, a big game of musical chairs. Everyone starts out happy clappy, but after a few rounds (of auditions), there are only a few players left in the running — and shit has gotten serious. And in many cases, the differences between the actor who landed the big role and the actor who just missed out are major. Jessica Biel in The Notebook, for example; Zooey Deschanel playing an Oscar-winning J.Law part?! Click through for some nearly real moments that could have meant your favorite movies would never be the same.