The Great Celebrity Bake Off for Stand Up to Cancer

With Harry Hill, Martin Kemp, Roisin Conaty and Bill Turnbull

Comedian Harry Hill, actor-presenter-musician Martin Kemp, comedian and actress Roisin Conaty and broadcaster Bill Turnbull take part in the charity contest. Sandi Toksvig and Noel Fielding guide them through the assorted challenges, and Paul Hollywood and Prue Leith pass judgment on their baking skills