Raita Ryu (竜 雷太, Ryū Raita; born January 21, 1940 in Osaka as Tatsuo Hasegawa (長谷川 龍男, Hasegawa Tatsuo)) is a Japanese actor. He is well known for his role as Gorisan (Detective Ishizuka) in Taiyō ni Hoero!. He has a son Yōhei Hasegawa (長谷川 陽平, Hasegawa Yōhei), who is a musician and guitarist. Once, he belonged to Toshiro Mifune's production company.
Source: “Raita Ryū”, English Wikipedia (CC BY-SA 4.0), excerpt