 Brian CoxSanta (voice) | Santa (voice) |
 Bill NighyLighthouse Bill (voice) | Lighthouse Bill (voice) |
 Fiona ShawMs. Trapper (voice) | Ms. Trapper (voice) |
| JJack WisniewskiDanny Williams (voice) | Danny Williams (voice) |
 Jodie WhittakerMrs. Williams (voice) | Mrs. Williams (voice) |
 India BrownBernadette McNutt (voice) | Bernadette McNutt (voice) |
 Guz KhanDasher (voice) | Dasher (voice) |
 Lolly AdefopeMrs. McNutt (voice) | Mrs. McNutt (voice) |
| ZZazie HayhurstSam Beccles (voice) | Sam Beccles (voice) |
 Sienna SayerCharlie Beccles (voice) | Charlie Beccles (voice) |
 Alex MacqueenMr. Forrest (voice) | Mr. Forrest (voice) |
 Katherine ParkinsonMrs. Forrest (voice) | Mrs. Forrest (voice) |
 Sindhu VeeMrs. Mulji (voice) | Mrs. Mulji (voice) |
 Rosie CavalieroMrs. Beccles (voice) | Mrs. Beccles (voice) |
 Paul KayeYirrell (voice) | Yirrell (voice) |
 Andy NymanMr. Beccles (voice) | Mr. Beccles (voice) |
| KKuhu AgarwalNisha Mulji (voice) | Nisha Mulji (voice) |
| BBronte SmithEve McNutt (voice) | Eve McNutt (voice) |
 Freddie SpryTeddy Forrest (voice) | Teddy Forrest (voice) |
| AAva TalbotScarlett Forrest (voice) | Scarlett Forrest (voice) |
 Rhys DarbyMr. McNutt (voice) | Mr. McNutt (voice) |
 Deborah FindlayMrs. Horton (voice) | Mrs. Horton (voice) |
| AAlicia DaviesWeather Person (voice) | Weather Person (voice) |
| IIsabella HopkinsAdditional Voices (voice) | Additional Voices (voice) |
 Simon OttoAdditional Voices (voice) | Additional Voices (voice) |
 Jordan NorthAdditional Voices (voice) | Additional Voices (voice) |
 Dermot O'LearyAdditional Voices (voice) | Additional Voices (voice) |
| LLuke JamesonAdditional Voices (voice) | Additional Voices (voice) |
| MMary MossAdditional Voices (voice) | Additional Voices (voice) |
