This comes after the world premiere of the series over the weekend.
The series, which is based on the Moomin stories by Finnish-Swedish artist Tove Jansson, was created by Oscar-winning director Steve Box (Wallace & Gromit: The Curse of the Were-Rabbit) and creative director Marika Makaroff.
It will air as two series, comprising 13 episodes, on Sky in the UK over Easter, and will also air via Finnish public broadcaster YLE.
Egerton voices Moomintroll, Pike voices Moominmamma and Winslet voices Mrs Fillyjonk. Other stars featured include Matt Berry, Bel Powley, Warwick Davis, Joe Wilkinson, Jennifer Saunders, Alison Steadman, Will Self, Richard Ayoade, Akiya Henry, Edvin Endre, Mayumi Kawai, Matt Lucas, Katie Leung, Rebecca Root, Susie Brann and Joe Wilkinson.