Taron Egerton Moomintroll Actor Matt Berry Moominpappa Actor Edvin Endre Snufkin Actor Bel Powley Little My Actor Akia Henry Snork Maiden Actor Rosamund Pike Moominmamma Actor Warwick Davis Sniff Actor Katie Leung Too-Ticky Actor Kate Winslet Mrs. Fillyjonk Actor Jennifer Saunders Mymble Actor Rebecca Root Misabel Actor Joe Wilkinson Male Hemulen Actor Susie Brann Female Hemulen Actor Mayumi Kawai Ninny Actor Alison Steadman Emma the Stage Rat Actor Richard Ayoade The Ghost Actor Will Self The Muskrat Actor Matt Lucas Teety-Woo Actor Steve Box Director Nick Ostler Writer Mark Huckerby Writer Josie Day Writer Marika Makaroff Executive Producer John Woolley Producer Louise Holmes Producer