The Master Key

Robert Z. Leonard

John Dore (as Bob Leonard)

Ella Hall

Ruth Gallon

Harry Carter

Harry Wilkerson

Jean Hathaway

Jean Darnell

Alfred Hickman

Charles Everett

Wilbur Higby

Tom Gallon

Charles Manley

Tom Kane

Jack Holt

Donald Faversham

Jim Corey

Wah Sing

Allan Forrest

George Crane (as Alan Forrest)