Jack Black as Po Dustin Hoffman as Master Shifu Angelina Jolie as Tigress Jackie Chan as Monkey David Cross as Crane Seth Rogen as Mantis Lucy Liu as Viper James Hong as Mr. Ping (Po's Dad) It's Kung Fu Panda
The answer is actually Mick Wingert. Jack Black only plays the voice of Po in the movies, not in the cartoon series. Mick Wingert (born July 4, 1974) plays the voice on the cartoon series. He is an American stand-up comedian, actor, and voice artist. He is best known as the new voice of Master Po and Zeng in Kung Fu Panda: Legends of Awesomeness, taking over the roles from voice actors Jack Black and Dan Fogler. Wingert has been praised by fans of the Kung Fu Panda franchise for his Po voice impression sounding exactly like Jack Black's voice. He also does additional voices in Kung Fu Panda.