
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)