Great question — answering as the UphillTech team:
The website blu-ray.com has the most insane, indepth reviews of blu-rays you can find. They do not list any alternate endings for The Secret Life of Walter Mitty (2013) , but they do list "alternate scenes". Digging a little deeper, I found a review on High Def Digest that lists the deleted, extended and alternate scenes as: This part of the bonus materials is broken up into three separate sections for each type of scene, and those scenes can be watched individually or as a group. The Deleted Scenes section (7 ½ min.) consists of 'Morning Routine' (2 min.); 'Young Odessa Fantasy' (1 min.); 'Jester Fantasy' (1 min.); 'Manfree Fantasy' (2 min.); and 'Impound Lot' (2 min.). The Extended Scenes...
Full answer by Johnny Bones: https://movies.stackexchange.com/a/74816 (CC BY-SA 3.0).
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