When the Angry Birds movie was first announced, it was hard to imagine the cast list would be such a who's who (that's not an owl joke) of Hollywood comedians. Jason Sudeikis, Bill Hader, Maya Rudolph, Danny McBride, Keegan-Michael Key, Ike Barinholtz, and Peter Dinklage are all lending their voices to the movie, based on the wildly popular mobile game. This trailer introduces the birds and their piggish foes, and it's a good look at how this movie is actually going to function as a standalone film, rather than just being a big way to capitalize on the success of the game — though it's definitely that, too. The movie is due out on May 20.

Here's the first teaser: