Who's There: Armie Hammer & Aja Naomi King?

Oh man, the calls are good this week. From Tim Daly's broken legs to a Twitter romance set up by none other than Chrissy Teigen – we've got everything on Who's There. Also: Who's Who on the Vanity Fair Young Hollywood cover? And is Armie Hammer actually named after Arm & Hammer? And which Michelle Williams is Who'ier? Today's episode is brought to you by the new series Riverdale, now airing on Thursdays at 9/8c on The CW.