Cast
Boris Karloff
Dr. Leon Kravaal
Roger Pryor
Dr. Tim Mason
Jo Ann Sayers
Nurse Judith Blair
Stanley Brown
Bob Adams
John Dilson
John Hawthorne
Hal Taliaferro
Sheriff Stanton
Byron Foulger
Dr. Bassett
Charles Trowbridge
Dr. Harvey
Ernie Adams
Pete Daggett
Minta Durfee
Frozen Therapy Patient (uncredited)
Crew
Nick Grindé
Director
Harold Shumate
Story
Karl Brown
Screenplay
Wallace MacDonald
Producer
Mischa Bakaleinikoff
Music
Irving Briskin
Executive Producer
Edward Bernds
Sound Engineer
Karol Rathaus
Music
Morris Stoloff
Music Director
Fred B. Phillips
Makeup Artist
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