Zheng Dongyu is a character in the TV series Tell No One, played by Li Yitong.
Li Yitong, born on September 6, 1990 in Jinan City, Shandong Province, is an actress in Mainland China and graduated from Beijing Dance Academy.
In 2015, due to his outstanding performance in the audition, Li Yitong starred in the Republic of China fantasy web drama - Half-Demon Allure - and officially entered the entertainment industry.
In 2017, Li Yitong rose to prominence with the role of Huang Rong in the ancient martial arts drama The Legend of the Condor Heroes, and won the Annual New Drama Star Award at the China TV Drama Quality Ceremony.