Hua Qing Ge --- Song Yi Ren
She is an independent, emotionally intelligent, and intellectually gifted woman. She is an ancient female coroner, possessing exceptional skills in forensic examination and the ability to make corpses "speak." Although she has seen life and death countless times, she is not indifferent to life and occasionally acts on impulsive emotions.
Ji Chu --- Ding Ze Ren
The third prince, known for his aloofness and sharp tongue, possesses formidable martial arts skills and a meticulous mind. He is skilled at analysis and believes that there is no perfect crime in the world. He can always calmly integrate all the clues, unravel the truth, and find the key to solving the case. Despite his rationality, he is unusually clueless when it comes to matters of the heart. He forms a tacit partnership with Hua Qingge in solving cases.
Lin Xi Yao --- Zhu Rong Jun
Lin Xi Yao is an independent and highly emotionally intelligent woman with a high level of intelligence. She is an ancient female coroner and possesses the unique skill of making corpses speak. Although she is accustomed to life and death situations, she does not disregard life and occasionally acts impulsively based on her emotions.