The actor playing role in《Maestra: Strings of Truth》is“Zheng Donghuan”

In his 70s, Che Shiyin, a musical instrument craftsman and father, runs a musical instrument company named Shiyin% named after his daughter.He is the first Korean to graduate as principal from an Italian violin making school. He is also the best string instrument craftsman in Korea and has taught many students.He has a warm and honest personality and has never shown any dissatisfaction in taking care of his sick wife for a long time.