The Mystery Club

Matt Moore

Dick Bernard

Edith Roberts

Nancy Darrell

Mildred Harris

Mrs. Kate Vandeerveer

Charles Lane

John Cranahan

Warner Oland

Eli Sinsabaugh

Henry Hebert

Scott Glendenning

Károly Huszár

Alonzo

Alphonse Martell

Sengh

Frank Finch Smiles

Wilkins

Earl Metcalfe

Red

Nat Carr

Eric Hudson

Jed Prouty

Amos Herriman

Alfred Allen

Insp. Burke

Sidney Bracey

Detective

Monte Montague

Snaky