The problem for Erich von Stroheim in the title role here is that his character's abilities to eat, drink - sing La Bohème, even - whilst his dummy "Otto" chats away merrily to the audience does quite come off on film. An out-of-vision voice is nothing new with this medium, so much of the potency of the joke - that might have worked more effectively in a theatre - is lost. What's left is a mildly ver mais...