The Mine with the Iron Door

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.

• David HowardDirector
• Don SwiftScreenplay
• Daniel JarrettScreenplay

• Richard ArlenBob Harvey
• Cecilia ParkerMarta Hill
• Henry B. WalthallDavid Burton
• Stanley FieldsDempsey
• Spencer ChartersThad Hill
• Charles C. WilsonPitkins
• Barbara BedfordSecretary
• Horace MurphyGarage Man