Status
Released
Release
August 15, 1940
Runtime
1h 2m
Languages
English
Director
"UNEARTHING CLUES NO HUMAN EYE COULD DETECT.. TO DESTROY KILLERS NO BULLETS COULD STOP!"
Scientists assembled to prove their methods are effective in criminal investigation try to solve a series of murders.
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
