Marvin Kaplan

Vampire (voice)

Rob Paulsen

Jerk at Drive-In (voice)

Stuart K. Robinson

Wolf Man (voice)

Dina Sherman

Carrie Raven (voice)

B.J. Ward

Medusa / Raye Fay (voice)

Frank Welker

Big Ed / Swamp Beast / Projectionist (voice)

Paxton Whitehead

Dr. Henry Davenport, the Invisible Man (voice)

April Winchell

Helga (voice)

Don Lusk

Ray Patterson