A great cast can take a relatively average script and turn it into a fun movie, but when a perfect cast meets the right material, then you have something worthy of the Golden Popcorn. The five nominees for Best Cast fall into the latter category, and each has a good shot at taking the podium this Sunday at the MTV Movie Awards.

But you get to decide which ensemble takes home the award. Voting is still open over at MovieAwards.MTV.com, so head there and tune in on Sunday, June 3, at 9 p.m. ET to see who claims the Popcorn as their own.

"21 Jump Street"
By all accounts, "21 Jump Street" should have sucked. The characters in the film even joke about the less than impressive track record for TV remakes for the big screen. But despite every bad remake that came before it, "21 Jump Street" proved to be a hilarious surprise, no doubt thanks to the outrageous cast led by Jonah Hill and Channing Tatum. Hill was the same potty-mouthed smart-ass that we know and love, while Tatum was way more lovable than we've ever seen him before.

"Bridesmaids"
In comedy, you just have to go for it. The cast of "Bridesmaids" understood that better than probably any other ensemble in the past year. Whether having explosive diarrhea in a bridal boutique or getting freaky with a dirtbag like Jon Hamm, the cast of "Bridesmaids" went above and beyond the call of duty and made one of the funniest movies of 2011.

"Harry Potter and the Deathly Hallows, Part 2"
When you grow up with a set of actors, like many "Harry Potter" fans did with Daniel, Emma, Rupert and Tom, it's almost impossible not to feel the sting of a goodbye, even if it's just a movie. "Deathly Hallows, Part 2" became much more than the final movie in the series, simply because we had been there with these real-life people every step of the way. The audience, the actors and the characters they played reached their happy endings last summer, and all was well.

"The Help"
It takes a talented group of actors to translate a story that depicts an ugly time in American history and portray the real, human emotions of both the victims and their oppressors. Viola Davis, Octavia Spencer and Jessica Chastain earned Academy Award nominations for their roles in "The Help." Emma Stone did what she does best and was the honest, relatable anchor to the story, and despite all her evil, Bryce Dallas Howard made Miss Hilly an actual person, instead of a caricature.

"The Hunger Games"
Just as Daniel, Emma and Rupert had before them, Jennifer, Josh and Liam quickly assumed the personas of characters that had already won over the readers and brought them to life in a way that was faithful yet refreshing. Even an outrageous character like Effie Trinket became believable thanks to a typically pitch-perfect turn from Elizabeth Banks. Add in Woody Harrelson's loveable Haymitch, Lenny Kravitz's Cinna and Amandla Stenberg's tragic Rue, and you have a classic movie cast.

Head over to MovieAwards.MTV.com to vote for your favorite flicks now! The 21st annual MTV Movie Awards air live this Sunday, June 3, at 9 p.m. ET.