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             The Hidden Spring 
            (1917) United States of America 
            B&W : Five reels 
            Directed by E. Mason Hopper 
            Cast: Harold Lockwood [Donald Keeth], Herbert Standing [Quartus Hembly], Lester Cuneo [Bill Wheeler], H.F. Crane [Daniel Kerston], Arthur Millette [Olaf Erickson], Vera Sisson [Thora Erickson], Billie West, Mirabeau the dog 
            Yorke Film Corporation production; distributed by Metro Pictures Corporation [A Metro Wonderplay]. / Scenario by Fred J. Balshofer and Richard V. Spencer, from the novel The Hidden Spring by Clarence B. Kelland. Cinematography by Antonio Gaudio (Tony Gaudio). Presented by Yorke Film Corporation. / © 19 July 1917 by Metro Pictures Corporation [LP11104]. Released 16 July 1917. / Standard 35mm spherical 1.33:1 format. 
            Drama. 
            Survival status: (unknown) 
            Current rights holder: Public domain [USA]. 
            Listing updated: 15 June 2010. 
            References: Balshofer-OneReel p. ? : Website-AFI. 
            
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