1939 · 0h 11m · Documentary, Drama
Genres: Documentary, Drama
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…
Director: Basil Wrangell
Writers: George Wallace Sayre, Samuel H. Chain, Doane R. Hoag
Cinematography: Clyde De Vinna
Editor: Mildred Rich