Billy Frankenstein

Jordan Lamoureux

as Billy Frankenstein

Mary Elizabeth McGlynn

as Sandy

Daran Norris

as George

Peter Spellos

as Bloodstone

Brian Carrillo

as Frankenstein

Kristin Jadrnicek

as Thelma

Vernon Wells

as Otto

Griffin Drew

as Fraulein

Tommy Kirk

as Blind Monk

Kimberly A. Ray

as Tour Guide

John Maynard

as Froog

Robert Burke

as Sheldon

Ernest Hardin Jr.

as Steve

Rick Cadelli

as Preston Strong

William Kuehn

as Chauffeur

Mark Thomas McGee

as Brain Vendor (as Mark McGee)

Andrew D'Amico

as Rat Vendor

Devan Scott

as Doll Vendor

Kimberly A. Ray

as Tour Guide (as Kim Ray)

Vanessa Greyshock

as Young Tourist Girl (as Vanessa A. Koman)

Marie Gutierrez

as Poor Mother

Sammy Drasin

as Poor Girl