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