A doctor working with the Bureau of Pure Foods and Drugs, uses radio broadcasts to expose fraudulent patent medicines.
Rated NR | Length 67 minutes
William Hopper | Pierre Watkin | Mary Russell | Smiley Burnette | Matty Fain | Byron Foulger | Josephine Whittell | Granville Bates | Willard Robertson | William Newell | Robert Livingston | Wilbur Mack | Grace Bradley | Billy Griffith | Charles Timblin | Frank Du Frane