Imagine all the things you wish you did but never have.

Now imagine doing them.

That's the plot of Ben Stiller's new movie "The Secret Life of Walter Mitty".

Stiller and co-star Kristen Wiig were on the red carpet for the film's premiere in LA on Wednesday.

(SOUNDBITE) "The Secret Life of Walter Mitty" Director and Star, Ben Stiller, saying (English):

"In this story Walter has a life that he's imagined in his head that he's never acted on and he gets to a certain point in his life where he realizes, this is it, he has to make this choice, he has to go find this negative, there's a woman he really likes. He has to make this one decision where he literally takes a step and goes out into the world and I think that idea of actually going out and trying to do something that scares you is something that's really, I don't know, I like that idea."

Walter Mitty was an ordinary man living a mundane life who daydreamed of extravagant fantasies of bravery and ge