A pathologist experiments with a deaf-mute woman who is unable to scream to prove that humans die of fright due to an organism he names The Tingler that lives within each person on the spinal cord and is suppressed only when people scream when scared.
Vincent Price
Philip Coolidge
Judith Evelyn
Darryl Hickman
Pamela Lincoln
Patricia Cutts
William Castle
Bob Gunderson
Dal McKennon
Leon Alton
Gertrude Astor
Richard Barthelmess
Gail Bonney
Pat Colby
George DeNormand
Amy Fields
Clarence Straight
Ernest Torrence