Igor

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)

जेनिफर कूलिज

Jaclyn / Heidi (voice)

Molly Shannon

Eva (voice)

James Lipton

Himself

क्रिश्चियन स्लेटर

Dr. Schadenfreude's Igor (voice)

Arsenio Hall

Carl Cristall (voice)

Jess Harnell

Announcer / Royal Guard #2 (voice)

Zoë Bright

Blind Woman / Killiseum Fan #1 (voice)

Sophia Eraklis

Blind Orphan #1 (voice)

A. Cheron Hall

Blind Orphan #2 / Blind Orphan #4 (voice)

Alexander Leondis

Blind Orphan #3 (voice)

Michael Leondis

Blind Orphan #6 (voice)