The Grand will be going all-in at the theaters on March 21, but you can get a glimpse of this poker film now. Yahoo! Movies has been provided with the new trailer to the upcoming mockumentary. Click on the video below.

Woody Harrelson goes all-in to save his dead grandfather's hotel-casino from a real estate developer in this hilarious mockumentary. His master plan: to win the world's most famous high stakes tournament, the Grand Championship of Poker. Anteing up the laughs are Werner Herzog, Cheryl Hines, David Cross, Ray Romano and Dennis Farina.