Overview

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.

Top Cast

John Nesbitt

Narrator

Marjorie Kane

Nestor Paiva

Mail Order Crook

Jo Ann Sayers

Leading Actress