Overview
A mysterious hypnotist reverts his beautiful assistant back into the form of a prehistoric sea monster that she was in a past life.
Cast
- Chester Morris as Dr. Carlo Lombardi
- Marla English as Andrea Talbott / Elizabeth Wetherby
- Tom Conway as Timothy Chappel
- Cathy Downs as Dorothy Chappel
- Lance Fuller as Dr. Ted Erickson
- Ron Randell as Police Lt. Ed James
- Frieda Inescort as Mrs. Chappel
- Frank Jenks as Plainclothes Sgt. with Lt James
- El Brendel as Olaf, the butler
- Paul Dubov as Johnny, the barker