Olive (voice)
Drew Barrymore
Santa Claus (voice)
Ed Asner
Mrs. Claus / Mrs. Eskimo / Newsreporter (voice)
Tress MacNeille
Zookeeper (voice)
Diedrich Bader
Additional Voices
David Herman
Mitch Rouse
Kath Soucie
The Postman (voice)
Dan Castellaneta
Martini (voice)
Joe Pantoliano
Fido (voice)
Peter MacNicol
Arturo (voice)
Matt Groening
Tim (voice)
Jay Mohr
Eskimos (voice)
Billy West
Richard Stans (voice)
Tim Meadows
Schnitzel (voice)
Michael Stipe
Producer
Executive Producer
Nancy Juvonen
Writer
Steve Young
Director
Steve Moore
Vivian Walsh
J. Otto Seibold
Editor
Paul D. Calder
Supervising Sound Editor
David E. Stone
Sound Re-Recording Mixer
Peter Cole
Claudia De La Roca
Alex Johns
Keith Alcorn
Original Music Composer
Christopher Tyng