Amongst the guests are Claudia Winkleman, Miles Jupp, Bob Mortimer, Jo Brand, Adil Ray, Kirsty Wark, Gareth Malone, Micky Flanagan, Amanda Abbington, Kian Egan, Carol Vorderman, Rhod Gilbert, Phill Jupitus, Fiona Bruce, Ray Mears, Adam Buxton, Bruno Tonioli, Mel Giedroyc, Hal Cruttenden, Steve Jones and Emilia Fox.