Complex sentence: She directed one film, "Remodeling Her Husband" (1920), when D. W. Griffith took his unit on location--he told Gish that he thought the crew would work harder for a girl.
Split into simpler sentences: She directed one film, "Remodeling Her Husband" (1920), when D. W. Griffith took his unit on location. He told Gish that he thought the crew would work harder for a girl.