Unseen Guardians
The "unseen guardians" of the title are the Postal Inspection Service, which investigates mail order racketeering; the Underwriters' Laboratories, which are shown testing electrical equipment, fire extinguishers, and large floor safes; and those who run orphanages, who assure that the children in their care are placed in proper adoptive homes.
- Country : United States of America
- Genre : Documentary, Drama
- Director : Basil Wrangell
- Cast : John Nesbitt, Marjorie Kane, Nestor Paiva, Jo Ann Sayers