The Girl Detective

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

Alice Meyer

As Marie

James W. Horne

As Blaney

J. Schneider

As Chad

Evelyn Wayne

As Ray, Brandon's Daughter