The Secret Life of Walter Mitty, starring Ben Stiller and Kristen Wiig, comes to Blu-ray April 15. To celebrate this unique comedic adventure, we have an exclusive featurette that delves into the history of the daydreaming title character and his origins in the original short story upon which the film is based. Go on a journey and visit with the 'other' Walter Mittys before embarking on his latest incarnation this spring.