Mizuki Sano (佐野 瑞樹, Sano Mizuki; born September 26, 1973 in Fujinomiya, Shizuoka, Japan) is a Japanese actor and the eldest member of Johnny's Jr., the trainee unit of the well-known talent agency Johnny & Associates. He is perhaps best known for his role in Kindaichi Shounen no Jikenbo and his various activities as a member of Johnny's Jr.
Source: “Mizuki Sano”, English Wikipedia (CC BY-SA 4.0), excerpt