Disney’s ‘Jungle Book’ Adds Christopher Walken & Giancarlo EspositoChristopher Walken will voice King Louie, the ruler of a troop of monkeys and apes, and Giancarlo Esposito will play Akela, leader of the wolf pack, in Disney‘s Jungle Book. It’s the latest edition to the live-action/animation hybrid pic, which Jon Favreau is directing from a script by Justin Marks. The duo join Ben Kingsley as Bagheera, Lupita Nyong’o as Raksha, Idris Elba as Shere Khan, Scarlett Johansson as Kaa and newcomer Neel Sethi as Mowgli – the only actor to physically appear on screen. The 3D pic has an October 9, 2015 release date.