Dr. Josef Stiggens
Ernie
Prof. Cruikshank
Mr. Hinchlow
Lester Potts
Mr. Goldberg
Harry Houdini
Dragon Head #2 (voice)
Malone
Pilot
Marty Sampson
Theodore Oglivie
Brawny (voice)
Harlan Devane
Harry Edwards
Allen Dunn
Mr. Renfield
Wolfgang (archive footage)
Eddie Sherman
Selfish and Mean
Doc Bailey
Self
Professor Werner von Bear (voice)
Caretaker of the Land of Lost Things / Magic Mirror
Jackie
Sullivan
Lester Aldrich
Arial Lavalerra
Ron Talley
