Guest Stars Matthew Yang King voices Appa Matthew Yang King voices Momo Ruy Iskandar as Lieutenant Jee Elizabeth Yu as Azula Amber Midthunder as Princess Yue Momona Tamada as Ty Lee Thalia Tran as Mai Ryan Mah as Lt. Dang A. Martinez as Master Pakku Irene Bedard as Yagoda Nathaniel Arcand as Chief Arnook Meegwun Fairbrother as Avatar Kuruk Joel Oulette as Hahn Co Starring Taio Gelinas as Trainee Bernie Yao as Head Trainer Calvin Carbonell as Ensign Corvin Mack as Waterbender Chanel Thomas as Little Girl Pat Alec as Injured Warrior Chih-Ping Cheng as Earthbender Prisoner