A series of 2-reel thrillers in which a society girl has a position as a special investigator for the police and works on various cases where her unique talents can help to solve crimes. Each episode is complete in itself.
Ruth Roland
as Ruth, The Girl Detective
Marin Sais
as Bertha, the Girl Detective
Cleo Ridgely
as Kate Rumson / Mrs. Rodger Hastings / Olga / Queenie / Molly Moran / Jean, The Girl Detective
Edward Clisbee
as Chief of Police Harding
Arthur Shirley
as John Talcott
William H. West
as Rumson / Strumfsky / Isaacson / Fairfax / Marsden / Rankin / Deacon / Merriman / Craven / Kerrigan / Brandon / Dr. Barry
Paul Hurst
as Blair / Thompson / Michaels / Snake Henely / Mike Donegal / Bat Dorgan / Kelly / Dalton / Blake
Ollie Kirby
as Mrs. Churchill / Emily Wharton / Mary Kerrigan / Marie / Mrs. Winslow / Mabel Keene / Mrs. Cluett
Thomas G. Lingham
as George Warren / Machson / Doran / Rat Hogan / Ripert Bladeau / Jarvis / Breslow / Jeffries / Rillando / Dr. Keene
Frank Jonasson
as McGregor / Buck Donegal / Fourteen-Carat Tommy / Henri Bladeau / Turner / Denton / Jordan / Scotty Weed
R. Henry Grey
as Rodger Hastings / Harry Warrington
Thomas Galligan
as Peters / Thompson
