Brian Cox

Santa (voice)

Bill Nighy

Lighthouse Bill (voice)

Fiona Shaw

Ms. Trapper (voice)

Jack Wisniewski

Danny Williams (voice)

Jodie Whittaker

Mrs. Williams (voice)

India Brown

Bernadette McNutt (voice)

Guz Khan

Dasher (voice)

Lolly Adefope

Mrs. McNutt (voice)

Zazie Hayhurst

Sam Beccles (voice)

Sienna Sayer

Charlie Beccles (voice)

Alex Macqueen

Mr. Forrest (voice)

Katherine Parkinson

Mrs. Forrest (voice)