Evan MacKenzie as Skip Carter

Eva LaRue as Erin Riddle

Kevin McCarthy as Professor Ragnar

Patrick Pinney as Fish Ghoulie (voice)

Richard Kind as Cat Ghoulie (voice)

Bob Bergen as Rat Ghoulie (voice)

John R. Johnston as Jeremy Heilman

Patrick Labyorteaux as Mookey

Hope Marie Carlton as Veronica

Billy Morrissette as Wes

Andrew Barach as Harley

Jason Scott Lee as Kyle

Griffin O'Neal as Blane

Marcia Wallace as Miss Boggs

Stephen Lee as Barcus

Dan Shor as Professor

Sherrie Wills as Buffy

Thom Adcox-Hernandez as Pixel

Matthew Lillard as Stork

Kathy Benson as Girl

Nicole Picard as Party Girl

Kane Hodder as Man in Rolling Mop Bucket (uncredited)

Sandy Maschmeyer as Beauty