PopKulture's photos with the keyword: Charlie Chaplin

Certainly that's Chaplin middle right, and I'd guess Fatty Arbuckle and Mary Pickford lower left, but who are the others? Is that Buster Keaton with the hat? And which one's Clara Bow? Or would she not even be on a piece from 1920? At The Moving Picture Ball by Leo. Feist, 1920.