A mysterious hypnotist reverts his beautiful assistant back into the form of a prehistoric sea monster that she was in a past life.
Dr. Carlo Lombardi
Andrea Talbott / Elizabeth Wetherby
Timothy Chappel
Dorothy Chappel
Dr. Ted Erickson
Police Lt. Ed James
Mrs. Chappel
Plainclothes Sgt. with Lt James
Olaf, the butler
Johnny, the barker
Bob, the ex-fiancé
Marta, the Maid
Mrs. Brown
Police Doctor with Prof. Anderson
Lombardi's Lawyer
Professor Anderson
Party Guest
The She-Creature
