Max Lang Director, Screenwriter Jakob Schuh Director, Screenwriter Helena Bonham Carter Mother Squirrel Voice James Corden Mouse Voice Tom Wilkinson Fox Voice John Hurt Owl Voice Rob Brydon Snake Voice Robbie Coltrane Gruffalo Voice Sam Lewis First Little Squirrel Voice Phoebe Givron-Taylor Second Little Squirrel Voice Julia Donaldson Screenwriter Polly Hill Executive Producer Martin Pope Producer Michael Rose Producer René Aubry Original Music Ulli Hadding Cinematographer Hubert Märkl Cinematographer Robin Sales Film Editing Karen Lindsay-Stewart Casting Manuel Arenas Production Design