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
Ruth, The Girl Detective
Marin Sais
Bertha, the Girl Detective
Cleo Ridgely
Kate Rumson / Mrs. Rodger Hastings / Olga / Queenie / Molly Moran / Jean, The Girl Detective
Edward Clisbee
Chief of Police Harding
Arthur Shirley
John Talcott
William H. West
Rumson / Strumfsky / Isaacson / Fairfax / Marsden / Rankin / Deacon / Merriman / Craven / Kerrigan / Brandon / Dr. Barry
Paul Hurst
Blair / Thompson / Michaels / Snake Henely / Mike Donegal / Bat Dorgan / Kelly / Dalton / Blake
Ollie Kirby
Mrs. Churchill / Emily Wharton / Mary Kerrigan / Marie / Mrs. Winslow / Mabel Keene / Mrs. Cluett
Thomas G. Lingham
George Warren / Machson / Doran / Rat Hogan / Ripert Bladeau / Jarvis / Breslow / Jeffries / Rillando / Dr. Keene
Frank Jonasson
McGregor / Buck Donegal / Fourteen-Carat Tommy / Henri Bladeau / Turner / Denton / Jordan / Scotty Weed
R. Henry Grey
Rodger Hastings / Harry Warrington
The Lost Express
The Million Dollar Mystery
The Iron Claw
The Lost Jungle
Dr. Mabuse, the Gambler
The House of Hate
The Quiller Memorandum
Black Widow
The Night Stalker
The Blue Gardenia
The Deadly Affair
Thomas Galligan
Peters / Thompson
The Hurricane Express
Bride 13
The Broken Coin
The Vampires or, The Arch Criminals of Paris
Miss Marple: They Do It with Mirrors
The Dark Mirror
The Mirror Crack'd
The MacKintosh Man
The Truth About Emanuel