 At the time, Biograph's prized director was D.W. Griffith, and Haller began as an assistant cameraman to Griffith's great cameraman Billy Bitzer.His first job as a cameraman was "The Hazards of Helen" (1914), which was an early adventure serial film that was released by the Kalem Company.When D.W. Griffith left Biograph due to a disagreement between him and the studio regarding his feature film "Judith of Bethulia" (1914), the company gradually met its end.