This entry in the Crime Does Not Pay series focuses on the U.S. Food and Drug Administration's effort to ensure that drugs are fully tested before they are sold to consumers. Two unscrupulous investors market the drug 'Diabulin' as a substitute for insulin after preliminary tests show good results. After a short time, however, users start dying from the drug. The FDA and the state attorney general's office then go after the drug marketers.
Charles F. Royal
Writer
Harold F. Kress
Director

Byron Foulger
Dr. Laren aka Dr. Dibson

Dick Elliott
Judge Gilmenn

Morris Ankrum
Dr. Adams (uncredited)

Paul E. Burns
Janitor John Billings (uncredited)

Edward Earle
Judge (uncredited)

Franklyn Farnum
Radio Station Man in Studio (uncredited)

Frank Fenton
Chester Malton (uncredited)

William Forrest
Dr. Cooper (uncredited)

Selmer Jackson
Darles F. Peters (uncredited)
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