Guest Stars Jessica Hynes as Old Myers Daniel Rigby as Hebble Tuwaine Barrett as Cumberlidge Julian Barratt as Fake Hopkins Ellie White as Karen Bamshad Abedi-Amin as Guard Christopher Anil Goutam as Sophie's Dad Karl Theobald as Fake Stearne Ricky Tomlinson as Crockett Eleanor Nawal as Sophie Allan Mustafa as Grocer Neil Gibbons voices The Horse