Harvey Korman

Prof von Klupp

Joseph Bologna

P.T. Wynnsocki

David L. Lander

Bernie

Maureen McCormick

Nick's Mom

Rodger Bumpass

Baby Huey / Irv

John Vernon

Principal Scotti

Stephen Furst

Phantoms' Manager / Baby Huey (Voice)

David Leisure

Nick's Dad

Michael Angarano

Nick

Tiffany Taubman

Little Audrey