Guest Stars Dee Bradley Baker voices additional voices Mae Whitman voices additional voices Zach Throne voices additional voices Jason Miller voices additional voices Jennifer Hale voices Avatar Kyoshi Malachi Throne voices Colonel Mongke Jillian Henry voices Koko James Hong voices Mayor Tong James Hong voices additional voices James Sie voices Oyaji Bryan Konietzko voices Foamin Mouth Guy Bryan Konietzko voices additional voices Andre Ware voices additional voices Malachi Throne voices additional voices Steve McGowan voices additional voices David Jeremiah voices additional voices Julianne Buescher voices additional voices