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When cameras roll and directors call, “action,” some of the most dependable, funniest, and most enthusiastic actors stand poised on four legs, with ears alert. what we see on screen is the result of meticulous preparation and professional teamwork. These eye-popping, heartwarming stories reveal the trainers, actors, directors, and animals in behind-the-scenes glory. American Humane Association certified animal safety representatives work carefully to ensure that no animals are harmed.

Dr. Robin Ganzert works with animals on movie sets and ensures that no animals are harmed in the making of movies. On Thursday she and her dog Bonny joined us in studio where Dr. Ganzert discussed her new book, “Animals Stars: Behind the Scenes with Your Favorite Animal Actors.” She will host a book signing at Barnes and Noble, located at 8625 Northwest Prairie View Road at 7 p.m.