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 Kate Winslet Mrs. Fillyjonk Actor Alison Steadman Emma the Stage Rat Actor Katie Leung Too-Ticky Actor Jennifer Saunders Mymble Actor Richard Ayoade The Ghost Actor Joe Wilkinson Male Hemulen Actor Susie Brann Female Hemulen Actor Will Self The Muskrat Actor Matt Lucas Teety-Woo Actor Rebecca Root Misabel Actor Steve Box Director Nick Ostler Writer, Director Mark Huckerby Writer, Director Josie Day Writer, Director Marika Makaroff Executive Producer John Woolley Producer Louise Holmes Producer