Guest Stars Jeff Bennett voices Shiro Shinobi Lance Henriksen voices Lieutenant Daniel Dae Kim voices Hiroshi Sato Dante Basco voices General Iroh Carlos Alazraqui voices Protestor Stephen Root voices Hobo Clancy Brown voices Yakone Zach Callison voices Tarrlok Age 11 Jacob Bertrand voices Young Noatak Alexander Martella voices Noatak age 14 Nicholas Braico voices Young Tarrlok