There are three reasons to watch Piccadilly, a 1929 British silent backstage melodrama. The performance of Anna May Wong is primary. She's a knockout as Shosho, a Chinese dishwasher in a posh London nightclub who gets a chance to show how she can dance, and then becomes a star. Wong is so charismatic, so fine a performer and so confident an actress, that you might wonder whatever happened to her. But there's more to Piccadilly than Wong. Perhaps not too much, but enough to enjoy the passing … more