<Li> Idris Elba as Shere Khan, a fearsome, scar - faced tiger with a grudge against humans . </Li> <Li> Lupita Nyong'o as Raksha, a female wolf who is Mowgli's adoptive mother . </Li> <Li> Scarlett Johansson as Kaa, an enormous python . </Li> <Li> Giancarlo Esposito as Akela, a male wolf who leads the pack . </Li>

Voice of the snake in the jungle book