Joining Annette Bening, Elle Fanning and Greta GerwigThere are many great names attached to '70s drama 20th Century Women, from writer/director Mike Mills - Thumbsucker, Beginners - to the cast, which already boasts Annette Bening, Elle Fanning and Greta Gerwig. But now comes news that Almost Famous alumnus Billy Crudup is joining movie's imdb page.Other names to impress include Megan Ellison's Annapurna, the production company behind the project, who you may recognise from their work on the likes of Her, American Hustle and Foxcatcher, but Crudup is what's key, as he's playing the role that the film centres around.