Trailer
Cast
Myleene Klass
Dr. Holzwurm (voice)
Suzy Eddie Izzard
Dr. Schadenfreude (voice)
Jennifer Coolidge
Jaclyn / Heidi (voice)
Molly Shannon
Eva (voice)
James Lipton
Himself
John Cusack
Igor (voice)
Steve Buscemi
Scamper (voice)
Sean Hayes
Brain (voice)
Jay Leno
King Malbert (voice)
Jess Harnell
Announcer / Royal Guard #2 (voice)
Frank Welker
Animals' vocal effects (voice) (uncredited)
Arsenio Hall
Carl Cristall (voice)
John Cleese
Dr. Glickenstein (voice)
Christian Slater
Dr. Schadenfreude's Igor (voice)
Paul Vogt
Buzz Offmann (voice)