Um Sang-hyun Po Voice Mick Wingert Po Voice Kim Kihyeon Shifu Voice Lucy Liu Viper Voice Gi Yeong-do Mr. Ping Voice James Hong Mr. Ping Voice So-yeon Tigress Voice Kari Wahlgren Tigress Voice Jeon Kwang-joo Crane Voice Amir Talai Crane Voice Yang Jeong-hwa Viper Voice Max Koch Mantis Voice Ha Sung-yong Monkey Voice Fred Tatasciore Shifu Voice Bang Seong-joon Mantis Voice James Sie Monkey Voice Peter Hastings Executive Producer Bret Haaland Executive Producer Andrew Huebner Producer