Brian Cox
Santa (voice)
Fiona Shaw
Ms. Trapper (voice)
Jodie Whittaker
Mrs. Williams (voice)
Bill Nighy
Bill (voice)
Lolly Adefope
Mrs. McNutt (voice)
Alex MacQueen
Mr. Forrest (voice)
Katherine Parkinson
Mrs. Forrest (voice)
Sindhu Vee
Mrs. Mulji (voice)
India Brown
Bernadette McNutt (voice)
Zazie Hayhurst
Sam Beccles (voice)
Sienna Sayer
Charlie Beccles (voice)
Rosie Cavaliero
Mrs. Beccles (voice)
Paul Kaye
Yirrell (voice)
Guz Khan
Dasher (voice)
Andy Nyman
Mr. Beccles (voice)
Jack Wisniewski
Danny Williams (voice)
Kuhu Agarwal
Nisha Mulji (voice)
Bronte Smith
Eve McNutt (voice)
Freddie Spry
Teddy Forrest (voice)
Ava Talbot
Scarlett Forrest (voice)
Rhys Darby
Mr. McNutt (voice)
Isabella Hopkins
Additional Voices (voice)
Simon Otto
Additional Voices (voice)
Jordan North
Additional Voices (voice)
Dermot O'Leary
Additional Voices (voice)
Luke Jameson
Additional Voices (voice)
Mary Moss
Additional Voices (voice)