Diamond thieves have infiltrated the staff of O'Day Jewelry. The Los Angeles Police Dept. employs their newest weapon, an airplane, to help smash the diamond theft ring.
Jack MacDowell
Gwen O'Day
Dan MacDowell
Robert Chandler
Mrs. MacDowell
Howard aka Matthew O'Day
A.E. Blair
Rose aka Flora Fisher
Red
Chief of Police Davison
Jerry MacDowell
