Scientology documentary "Going Clear" premiered Sunday at the 2015 Sundance Film Festival to a standing ovation from a crowd that included several Hollywood luminaries.The Alex Gibney-directed film, based on Lawrence Wright's controversial book Going Clear: Scientology, Hollywood and the Prison of Belief, was one of the hottest tickets at the festival. It drew several Hollywood names, including Tobey Maguire, Alec Baldwin, Jason Sudeikis and AMC exec Charlie Collier. New York Times columnist Maureen Dowd was also spotted in the audience.

The film, focusing on the power of Scientology and its controversial leader David Miscavige, as well the religion's ties to Hollywood, received a partial standing ovation after it screened, but it got a full standing ovation when the film's participants appeared in front of the crowd.