The lonely Walter Mitty (Ben Stiller) can't seem to leave a "wink" for his co-worker Cheryl (Kristen Wiig) in an extended, six-minute trailer for The Secret Life of Walter Mitty. This adaptation of James Thurber's novel takes us inside the life of this daydreaming title character, who escapes his mundane reality into his own fantasy world. Sean Penn, Adam Scott and Patton Oswalt co-star in this upcoming drama, arriving in theaters Christmas Day.