Washington, Mar 04 : Hollywood actor Paul Giamatti and Reese Witherspoon are all set to team up with comedian Sacha Baron Cohen for a flick about miniature people.

The flick aptly titled `Downsizing' will be directed by Alexander Payne, who earlier worked with Giamatti in `Sideways', reports Variety magazine.

Giamatti will portray a poor man who decides to undergo surgery in a bid to shrink himself, after getting convinced the operation will radically improve his life.

Witherspoon will portray a woman, who meets Giamatti''s character after he undergoes the shrinking surgery.

On the other hand, Sacha Baron Cohen, who is 6 foot, 3 inch in real life, will portray a pint-sized foreigner, who meets Giamatti's character. (ANI)