18 of 25:
The 2010 award-winning blockbuster film 'Inception' could have seen Rachel McAdams play Ariadne, but Ellen Page got the part instead. Pictured: Rachel McAdams (left) appears in a scene from 'The Notebook.' Ellen Page (right) appears as Ariadne in the film 'Inception.'
( Photo / New Line Cinema | Warner Bros. Pictures)