A mysterious hypnotist reverts his beautiful assistant back into the form of a prehistoric sea monster that she was in a past life.
Practical Effects
The creature suit is gloriously unconvincing rubber monster realness.
Acting
Chester Morris hypnotizes with theatrical villain energy.
Production
Amusement park climax shot on location adds accidental charm.
Director
Edward L. Cahn
Chester Morris
Dr. Carlo Lombardi
Marla English
Andrea Talbott / Elizabeth Wetherby
Tom Conway
Timothy Chappel
Cathy Downs
Dorothy Chappel
Lance Fuller
Dr. Ted Erickson
Ron Randell
Police Lt. Ed James
Frieda Inescort
Mrs. Chappel
Frank Jenks
Plainclothes Sgt. with Lt James
El Brendel
Olaf, the butler
Paul Dubov
Johnny, the barker
Kenneth MacDonald
Police Doctor with Prof. Anderson
Jack Mulhall
Lombardi's Lawyer
Trivia, insights & behind the scenes
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