Evan MacKenzie

Skip Carter

Eva LaRue

Erin Riddle

Kevin McCarthy

Professor Ragnar

Patrick Pinney

Fish Ghoulie (voice)

Richard Kind

Cat Ghoulie (voice)

Bob Bergen

Rat Ghoulie (voice)

Patrick Labyorteaux

Mookey

Hope Marie Carlton

Veronica

Billy Morrissette

Wes

Jason Scott Lee

Kyle

Griffin O'Neal

Blane

Marcia Wallace

Miss Boggs

Stephen Lee

Barcus

Dan Shor

Professor

Thom Adcox-Hernandez

Pixel

Matthew Lillard

Stork

Nicole Picard

Party Girl

Kane Hodder

Man in Rolling Mop Bucket (uncredited)