The Great British Bake Off Guest cast, played by Robert Billington Episode 2x01: Cake (Aug 16, 2011) Episode 2x02: Pastries (Aug 23, 2011) Episode 2x03: Bread (Aug 30, 2011) Episode 2x04: Biscuits (Sep 6, 2011) Episode 2x05: Pies (Sep 13, 2011)