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 Bruce Davison voices Lord Zuko Dee Bradley Baker voices Bum-Ju 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 Carlos Alazraqui voices Royal Guard #3 Jeff Bennett voices Royal Guard #2 Mitchell Whitfield voices Royal Guard #1