When seven-year-old William receives a new favorite toy for Christmas, he discovers a lifelong friend and unlocks a world of magic.
| Actor | Role |
|---|---|
 Phoenix LarocheWilliam | William |
 Alex LawtherVelveteen Rabbit (voice) | Velveteen Rabbit (voice) |
 Samantha ColleyMother | Mother |
 Leonard BuckleyFather | Father |
 Tilly VosburghMary 'Momo' | Mary 'Momo' |
 Helena Bonham CarterWise Horse (voice) | Wise Horse (voice) |
 Lois ChimimbaCar (voice) | Car (voice) |
 Paterson JosephKing (voice) | King (voice) |
 Clive RoweLion (voice) | Lion (voice) |
| EEllie MejiaMiss Forrester | Miss Forrester |
| CConor HamillWilliam's Friend | William's Friend |
 Paul SparkesRemoval Man | Removal Man |
| KKiefer MoriartyAdult at Party | Adult at Party |
| EElizabeth O'TooleLucy | Lucy |
| JJack FinnChild | Child |
 Declan MillsGeorge | George |
 Edward Baker-DulyDoctor | Doctor |
 Sean DugganTeacher | Teacher |
 Nathaniel ParkerMale Rabbit (voice) | Male Rabbit (voice) |
 Bethany AntoniaFemale Rabbit (voice) | Female Rabbit (voice) |
 Nicola CoughlanPlayroom Fairy (voice) | Playroom Fairy (voice) |