Thandiwe Newton Ginger (voice) Zachary Levi Rocky (voice) Bella Ramsey Molly (voice) Imelda Staunton Bunty (voice) David Bradley Fowler (voice) Jane Horrocks Babs (voice) Romesh Ranganathan Nick (voice) Daniel Mays Fetcher (voice) Peter Serafinowicz Reginald Smith (voice) Nick Mohammed Dr Fry (voice) Miranda Richardson Mrs Tweedy (voice) Julia Sawalha Ginger, Flashback Scene (voice) David Brooks Burly Guard (voice) Sam Fell 2D Animated Boy / Dying Moth (voice) Naomi McDonald 2D Animated Mum / Beryl / Chicken 314 (voice) Kate Harbour Biscuit Chicken / Female Guards (voice) Tim Bentinck Gate Guard / Additional Voices (voice) Ramanique Ahluwalia Additional Voices (voice) Sudha Bhuchar Additional Voices (voice) Sarah Counsell Additional Voices (voice) Nicole Davis Additional Voices (voice) Rebecca Gethings Additional Voices (voice) Shobu Kapoor Additional Voices (voice) Amy McAllister Additional Voices (voice) Harry McEntire Additional Voices (voice) Tamaryn Payne Additional Voices (voice) William Vanderpuye Additional Voices (voice)