At present, the search results did not provide any specific information on who played the role of darkness in "The Great Tang's Digong Case". Therefore, I do not know who the dark actor is.
The bride of the Tang Dynasty's Di Gong case was Cao An, played by Wang Likun.
The darkness in the Great Tang's Di Gongan was black flames. Black Flame was Di Renjie's older brother, Di Ying. He had established an organization called Black Flame and used Black Flame's methods to carry out a series of activities aimed at bringing down the darkness of troubled times. He appeared as a mysterious figure in the drama, specializing in killing evil people who had done many evil deeds. He was also good at controlling people's hearts and became a belief in the hearts of the people of Lan Workshop. His actions were not only for personal revenge, but also a demonstration. He wanted to cause chaos in the world. In the end, Di Renjie revealed Black Flame's identity and found out that he was his elder brother.
The role of Ying 'er in the case of Duke Di of Tang was played by Yang Xue.
Xiao Yiran was played by an unknown actor in the film.
Black Flame was played by Zhou Yiwei in the TV series " Da Tang Di Gong An."
The black flame in the Tang Dynasty's Di Gong case was played by the capable actor Zhou Yiwei.
The female constable of the Great Tang's Di Gong Case was played by Yin Lian, who was played by Qin Shan, and Cao An, who was played by Wang Likun.
The Great Tang's Di Gong case, Lord Black Flame, was played by the capable actor Zhou Yiwei.
The villain in the case of Duke Di of Tang was played by Zhang Jiayi.
Di Renjie was the one who released the eagle in the case of Duke Di of the Tang Empire.