Drama Crime
A doctor working with the Bureau of Pure Foods and Drugs, uses radio broadcasts to expose fraudulent patent medicines.
Directed by
Irving Pichel
Byron Foulger
Pete Andorka
William Hopper
Announcer
Irving Pichel
Carleton Young
Radio Announcer (uncredited)
Wilbur Mack
F. J. Thompson
Pierre Watkin
Kennedy
Willard Robertson
Inspector 'Mac' McDonald
Robert Livingston
Dr. Lawrence Baxter
Smiley Burnette
Jimmy
Granville Bates
Prof. Rexford Sterling
William H. O'Brien
Nightclub Waiter (uncredited)
Monte Montague
Henchman (uncredited)
Josephine Whittell
Nurse Nelson
William Newell
Andrews
Frank Austin
Henchman (uncredited)
Grace Bradley
Jean Sterling
Mary Russell
Nurse (uncredited)
Matty Fain
Burke
John Holland
Druggist (uncredited)
Charles Timblin
Swain
Billy Griffith
Kellogg
Frank Du Frane
Golden
Florence Gill
Spinster
Richard Beach
Henchman (uncredited)
Harrison Greene
Hospital Administrator (uncredited)

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