Frankie Stein / Lilith Van Helscream (voice)
Kate Higgins
Jackson Jekyll / Holt Hyde / Operetta / Additional Voice (voice)
Cindy Robinson
Heath Burns / Mr. Rotter / Goon #2 (voice)
Cam Clarke
Robecca Steam / Venus McFlytrap (voice)
Julie Maddalena
Chad / Kid #1 (voice)
Steve Staley
Gargoyle (voice)
Mark Mercado
Goon #1 (voice)
Ira Singerman
Narrator (voice)
Andrew Duncan
Nefera De Nile (voice) (uncredited)
Wendee Lee
Tiki People (voice) (uncredited)
Jonathan Lipow
Clawdeen Wolf / Cleo de Nile (voice)
Salli Saffioti
Abbey Bominable / C.A. Cupid / Clair / Additional Voices (voice)
Erin Fitzgerald
Lagoona Blue / Headmistress Bloodgood (voice)
Laura Bailey
Draculaura (voice)
Debi Derryberry
Clawd Wolf (voice)
Ogie Banks
Deuce Gorgon / Gil Webber / Thad (voice)
Evan Smith
Howleen Wolf / Toralei Stripe (voice)
America Young
Ghoulia Yelps / Manny Taur / Sheriff / Additional voices (voice)
Audu Paden
Screenstory
Ted Zizik
Producer
Tina Chow
Mike Montesano
Director
Mike Fetterly
Steve Sacks