Tramp, the terrier and schnauzer mix, stands tall, looking down at Lady. Lady, the American Cocker Spaniel, looks up at Tramp. She wears the blue and gold collar that can be seen throughout the film.

Sparky is a four-to-five year-old neutered male, gray and black, schnauzer-terrier mix who weighs approximately 20 pounds. Sparky was originally adopted from the shelter, but sadly had to be returned.