Scientists assembled to prove their methods are effective in criminal investigation try to solve a series of murders.
Starring
Bruce Bennett
Patrick Norris
Florence Rice
Lola Hobbs
Barton MacLane
Sam O'Donnell
Joe Downing
Lou Boyd
Joseph Crehan
Police Chief Hobbs
Howard Hickman
Dr. Talbot
Edward Van Sloan
Prof. Holtz
👤
P.J. Kelly
Prof. Cordet
Don Beddoe
Maj. Blaine
William Forrest
Mr. Brooks
👤
Dantón Ferrero
Mr. DeSoto
👤
George Anderson
Detective Bennett
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