LOS ANGELES (AP) -- More Hollywood heavyweights are joining the call for a lower rating on the teen-focused documentary "Bully."

The Weinstein Co. says Johnny Depp, Meryl Streep and New Orleans Saints quarterback Drew Brees are supporting the film, which will be released March 30.

Lee Hirsch's documentary on bullying in American schools has been rated R for language. Distributors appealed the decision, but it was upheld by the Motion Picture Association of America, which oversees movie ratings.

That prompted a Michigan teenager to start an online petition calling for a lower rating for the film so more young people can see it. She met with MPAA officials and delivered the 200,000 signatures she collected, but the group declined to change the rating.

The MPAA did not respond to calls and emails seeking comment Tuesday.