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For the Love of Rusty is a 1947 American drama film directed by John Sturges. It was the third of the "Rusty" film series involving the adventures of German Shepherd Rusty and his human companions - young Danny Mitchell and his pals. This film details Danny's friendship with an eccentric and itinerant "veterinarian" Dr. Fay, and Danny's attempts to form a closer relationship with his father. In this installment, Rusty was played for the first time by Flame, who would portray Rusty in four of the eight Rusty films.