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