Not Sean on Twitter: "SO hungover but last night was a stunner. So many photos. Louise, Benedict & Mark watching Maxine backstage. https://t.co/eQLK4mdfFG"
Benedict Cumberbatch taking part in Letters Live
Benedict Cumberbatch and Olivia Colman led one of the Hay Festival's starriest ever platforms on Saturday - Wales Online
Above: Benedict watching Sophie on stage.
Above: Benedict watching Toby from the wings.
Above: Louise, Olivia and Benedict backstage.
Above: Benedict chatting with Kelvin.
Above: Mark and Benedict about to go on-stage.
Above: Toby listening to Maxine Peake.