The Orderly at the Zoo looked after all the sick animals at the LA zoo infirmary, including the depressed gorilla and the three Apes rescued from the crashed spaceship. He assissted Lewis and Stevie in their initial examination of the Apes.
- The name Arthur was spoken onscreen by Lewis Dixon.
- The Orderly was called Jim Haskins in the novelization of Escape from the Planet of the Apes.
- Timeline of the Planet of the Apes: The Definitive Chronology, by Rich Handley
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