As charming as he is intimidating, he attempts to coerce Mowgli to reveal the secret of ‘red flower’ and is enraged when he doesn’t get what he desires. King Louie was voiced by Christopher Walken, and we took some of the distinctive Walken facial features —iconic lines, wrinkles and folds — and integrated them into the animated character. His hulking 11 foot frame is based on a gigantophithecus, the giant extinct ancestor of orangutans.