Rose Byrne and Kelli O’Hara in Fallen Angels, at the Todd Haimes. Photo: Joan Marcus/Joan Marcus Noël Coward’s 1925 amuse-bouche Fallen Angels , now in a lush Broadway revival dripping Deco glamor and directed sans hot take by Scott Ellis, isn’t making any noisy arguments for its own necessity. The production grew out of a fundraiser and, more uncommon than not in today’s theatrical landscape, it’s perfectly content to be just good fun. Arrive at the Todd Haimes Theatre with the weight of the