Guest Stars Jeff Bennett voices Shiro Shinobi Dee Bradley Baker voices Oogi Grey DeLisle Griffin voices Ming-Hua Peter Giles voices Ghazan Skyler Brigmann voices Kai Dee Bradley Baker voices Bum-Ju Bruce Davison voices Lord Zuko Kristy Wu voices P'Li Susan Silo voices Yin Greg Cipes voices Tu Mitchell Whitfield voices Gun Jayne Taini voices Queen Hou-Ting Gary Cole voices Dai Li Sergeant Carlos Alazraqui voices Yung Jeff Bennett voices Royal Guard #2 Carlos Alazraqui voices Royal Guard #3 Mitchell Whitfield voices Royal Guard #1