From Headquarters
“SEE...The Miracles of Science the "lab" blood test x-ray and ultra-violet ray track down a murderer!”
A wealthy Broadway playboy is found dead, and it comes to light that he was a vicious blackmailer. It's up to police lieutenant Jim Stevens to pick the murderer out of several likely candidates. Meanwhile, Stevens embarks on a torrid affair with Lou Ann Winton, who may or may not be involved.
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Top cast
George Brent
Lt. Jim Stevens
Margaret Lindsay
Lou Winton
Eugene Pallette
Sgt. Boggs
Edward Ellis
Dr. Van de Water
Robert Barrat
Anderzian
Theodore Newton
Jack Winton
Murray Kinnell
Horton
Hobart Cavanaugh
Muggs Manton
Hugh Herbert
Manny Wales
Henry O'Neill
Inspector Donnelly
Dorothy Burgess
Dolly White
Frank Darien
Manley
Kenneth Thomson
Gordon Bates
Ken Murray
Mac
Spencer Charters
Teletype Man (uncredited)
Al St. John
Detainee Touching Cigarette Pack (uncredited)
Ben Taggart
Third-Degree Detective (uncredited)
Matt McHugh
Man picked up by police wagon (uncredited)
