The Mine with the Iron Door

The story

Having acquired the controlling interest in the Eureka Discovery Corporation for five-hundred dollars, and selling half of it to a detective for two-hundred dollars, Bob Harvey sets off with his new partner to find the buried treasure of San Capello---with very strange consequences.

Cast & crew

Richard ArlenBob Harvey

Cecilia ParkerMarta Hill

Henry B. WalthallDavid Burton

Stanley FieldsDempsey

Spencer ChartersThad Hill

Charles Cahill WilsonPitkins

Barbara BedfordSecretary

Horace MurphyGarage Man