Brenda Blethyn
Aunt Millie
Christopher Plummer
Santa Claus
Kevin Pollak
Archimedes
Whoopi Goldberg
Blizzard (voice)
Brittany Bristow
Erin Scott-Pierce
Leif Bristow
Blitzen (voice)
Jacqueline Byers
Skating girl (as Jackie Byers)
Josh Buckle
Jack Andrews
Wendii Fulford
Beth Cameron
Samantha Hayes
(voice)
Ellen-Ray Hennessy
Delphi (voice)
Gary Johnston
Bobby's Father
Demetrius Joyette
Bobby Jackson
Stephanie Morgenstern
Emma Ward
J.D. Nicholsen
Ted Andrews
Aidan O'Hara
Derek Tynan
Jennifer Pisana
Jess Cameron
Diana Reis
Sarah Andrews / Principal
Mark Rendall
Joe Andrews
Albert Schultz
Mr. Cameron - Jess's father
Lee Smart
Donner Jr. (voice)
Cree Summer
Aphrodite (voice)
Jan Tříska
Otto Brewer / Trainer
Zoe Warner
Katie Andrews
Jonathan Whitaker
Jordan Scott-Pierce
Jonathan Wilson
Jeremy
Richard Yearwood
Lucius
Paul Bates
Additional reindeer voices
Len Carlson
Additional reindeer voices
Tony Daniels
Additional reindeer voices
J. Miles Dale
Additional reindeer voices
LeVar Burton
Night Watchman Elf (uncredited)
Marie V. Cruz
Santa's Elf (uncredited)