Brian Cox

Santa (voice)

Bill Nighy

Lighthouse Bill (voice)

Fiona Shaw

Ms. Trapper (voice)

Jodie Whittaker

Mrs. Williams (voice)

India Brown

Bernadette McNutt (voice)

Guz Khan

Dasher (voice)

Lolly Adefope

Mrs. McNutt (voice)

Sienna Sayer

Charlie Beccles (voice)

Katherine Parkinson

Mrs. Forrest (voice)

Sindhu Vee

Mrs. Mulji (voice)

Rosie Cavaliero

Mrs. Beccles (voice)

Paul Kaye

Yirrell (voice)

Andy Nyman

Mr. Beccles (voice)

Freddie Spry

Teddy Forrest (voice)

Rhys Darby

Mr. McNutt (voice)

Deborah Findlay

Mrs. Horton (voice)

Simon Otto

Additional Voices (voice)

Jordan North

Additional Voices (voice)

Dermot O'Leary

Additional Voices (voice)