Reparto y equipo

Tony Leondis

John Cusack Igor (voice)

Myleene Klass Dr. Holzwurm (voice)

Robin Walsh Dr. Holzwurm's Igor (voice)

Matt McKenna Dr. Herzschlag (voice)

John Cleese Dr. Glickenstein (voice)

Steve Buscemi Scamper (voice)

Sean Hayes Brain (voice)

Suzy Eddie Izzard Dr. Schadenfreude (voice)

Jay Leno King Malbert (voice)

Jennifer Coolidge Jaclyn / Heidi (voice)

Molly Shannon Eva (voice)

James Lipton Himself

Christian Slater Dr. Schadenfreude's Igor (voice)

Arsenio Hall Carl Cristall (voice)

Jess Harnell Announcer / Royal Guard #2 (voice)

Max Howard

John D. Eraklis

Patrick Doyle

Hervé Schneid