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
Rachel Snow
Lotta
Denny Dillon
Crabby Mom
Kate Simmons
Patsy
Laraine Newman
Minnie
Allyce Beasley
Elsa
Annabeth Miller
Las Vegas Dancer