Michael Bell
Opus the Penguin (voice)
Joe Alaskey
Truffles / The Ducks (voice)
John Byner
Bill (voice)
Tress MacNeille
Chicken (voice)
Alexaundria Simmons
Ronald-Ann (voice)
Andrew Hill Newman
Santa Claus (voice)
Robin Williams
Kiwi (voice) (uncredited)
Dustin Hoffman
Milquetoast (voice) (uncredited)
Crew
Berkeley Breathed
Executive Producer
Vince Colavitti
Sound Re-Recording Mixer
Berkeley Breathed
Writer
Larry C. Cowan
Supervising Film Editor
Peggy Regan
Producer
Steven Spielberg
Executive Producer
Kathleen Kennedy
Executive Producer
Timothy A. Carpenter
Sound Editor
Skip Jones
Director
Thomas Chase
Music
Frank Marshall
Executive Producer
Steve Rucker
Music
Paul B. Strickland
Executive In Charge Of Production
Gay Lawrence
Layout
Valerio Ventura
Layout
Gary Mouri
Layout
Guy Vasilovich
Layout
Ellen Drucker
Layout
Klay Hall
Supervising Animator
Ron Hughart
Supervising Animator
Mark Koetsier
Supervising Animator
Linda Miller
Supervising Animator
Mark Pudleiner
Supervising Animator
Matthew Bates
Animation
Daniel Bond
Animation
Gavin Dell
Animation
Jon L. Hooper
Animation
Ernie Keen
Animation
Craig Kellman
Animation
Juliana Korsborn
Animation
Cynthia Overman
Animation
Robert C. Ramirez
Animation
Marty Scully
Animation
Brian Sheesley
Animation
Chad Stewart
Animation
Joe D. Suggs
Animation
Allen Foster
Special Effects
Kathleen Quaife-Hodge
Special Effects
Don Judge
Special Effects
Cristi Lyon
Animation
Sean Edberg
Animation
Ethan Kanfer
Animation
Chris Mitchell
Animation
Sachiko Sato
Animation
Jennifer Stillwell
Animation
Berkeley Breathed
Book