Ben Stiller’s first directorial effort since 2008's Tropic Thunder is an adaptation of James Thurber’s classic short story “The Secret Life Of Walter Mitty,” about a LIFE Magazine proofreader with a spectacularly active imagination. The mostly dialogue-free first trailer features many of Mitty’s flights of fancy as a mountaineer and an astronaut—with some help from Of Monsters And Men’s anthemic “Dirty Paws” to pump up the drama. There are also a few glimpses of Kristen Wiig as the object of Mitty's affections, Sean Penn as a LIFE photographer, and Adam Scott’s return to playing a stuck-up office villain like in Step Brothers. Stiller’s directorial career also includes Reality Bites, The Cable Guy, and Zoolander, but this is the first time he’s added such a soaring dramatic feel to his own film. At the very least, this looks to be a marked departure from Stiller’s lighthearted comedy fare like the Night At The Museum or Fockers series.