The academy's director, Shen Chi-tung, reveals that originally the casting director had a German shepherd in mind for the part. "Pao Ching-tien," however, is a reenactment of the Sung dynasty era, and in those days there were no foreign dogs, so that idea was discarded.
環球校長沈啟東透露，原本該劇製作單位屬意德國狼犬，但由於「包青天」的時代背景屬於宋朝，當時還沒有洋犬，只好作罷。