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The Dog Who Saved Christmas is one of Casper Van Dien's notable TV movie roles. In this heartwarming holiday film, Van Dien plays a veterinarian who helps a family reunite with their lost dog, who possesses a special ability to bring Christmas cheer to those in need. The movie showcases Van Dien's versatility as an actor, as he brings both humor and heart to the role of the compassionate veterinarian.