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.
Clyde De Vinna | Cinematography |
Basil Wrangell | Director |
George Wallace Sayre | Writer |
Doane R. Hoag | Writer |
Samuel H. Chain | Writer |
Mildred Rich | Editor |