The Insider.com

For his new movie, The Secret Life of Walter Mitty, Ben Stiller plays a timid magazine photo manager who lives life vicariously through daydreams and at one point in the film, we fast-forward to Walter as an old man -- a moment that also gives Ben's wife Christine Taylor a glimpse into her future.

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VIDEO - Ben & Christine's Burning Love

I've gotta give the producers credit because this is some phenomenal makeup work. Instead of over-applying lots of prosthetics (think Leonardo DiCaprio in J. Edgar), they've simply aged up Ben, creating a creepily accurate depiction

The Secret Life of Walter Mitty, which hits theaters on December 25, 2013, is adapted from the iconic 1939 short story and co-stars Kristen Wiig, Sean Penn, Adam Scott, Kathryn Hahn, Shirley MacLaine and Josh Charles.