Hong's voice also appeared as Colonel Zhou Peng in the video game Mercenaries: Playground of Destruction, Dr. Chang in Def Jam Icon (2007), Ancient Wu in True Crime: Streets of LA, and reprising his role as Chew in the Blade Runner video game. His most recent appearances were in the films Balls of Fury and The Day the Earth Stood Still. In 2008, he voiced Mr. Ping in Kung Fu Panda, the adopted father of Po and was nominated for an Annie Award for his performance; he later reprised the role on Kung Fu Panda Holiday Special and won an Annie Award for Voice Acting in a Television Production. Furthermore, he and Lucy Liu have been collaborated in the feature film series and in the television series adaptation, Kung Fu Panda: Legends of Awesomeness. After the release of the third film he stated that he hoped to continue in the role, though due to his advanced age the filmmakers should start work on it quickly. In 2015, Hong voiced Azmorigan on Star Wars Rebels as well as the Sugi arms dealer, Endente in an unfinished four part story arc of Star Wars: The Clone Wars; the rough animatics for the entire arc have been published on the official Star Wars website.

Based on this passage, who plays po dad in kung fu panda? Let's think fast. Stream of consciousness:
The relevant information to answer the above question is: In 2008, he voiced Mr. Ping in Kung Fu Panda, the adopted father of Po and was nominated for an Annie Award for his performance; he later reprised the role on Kung Fu Panda Holiday Special and won an Annie Award for Voice Acting in a Television Production. So the final answer is Hong.