Exclusive dreamy clip from The Secret Life Of Walter Mitty: watch now

We've got an exclusive, dreamy new clip from Ben Stiller's upcoming drama The Secret Life Of Walter Mitty.

Directed by and starring Stiller, the film follows his magazine worker Walter, who sets out on a mission to find a missing picture.

Meanwhile, he pines over co-worker Cheryl (Kristen Wiig) and imagines a far more exciting life for himself in which he's a rugged hero.

Speaking of, the below clip expands on a moment glimpsed in the trailer in which Walter envisions himself wooing Cheryl with his imaginary, rugged mountain-climber ways.

Check it out below...

Also starring Shirley MacLaine, Sean Penn, Adam Scott and Kathryn Hahn, The Secret Life Of Walter Mitty opens in cinemas on 26 December 2013.