A doctor working with the Bureau of Pure Foods and Drugs, uses radio broadcasts to expose fraudulent patent medicines.
as Dr. Lawrence Baxter
as Jean Sterling
as Inspector 'Mac' McDonald
as Kennedy
as Jimmy
as Prof. Rexford Sterling
as Andrews
as Pete Andorka
as F. J. Thompson
as Burke
as Nurse Nelson
as Swain
as Kellogg
as Announcer
as Golden
as Nurse (uncredited)
as Spinster
as Henchman (uncredited)
as Henchman (uncredited)
as Hospital Administrator (uncredited)
as Druggist (uncredited)
as Henchman (uncredited)
as Nightclub Waiter (uncredited)
as Radio Announcer (uncredited)
