Seiji Chihara (千原靖史 Chihara Seiji) (born January 25, 1970 in Kyoto, Japan) is a Japanese actor and one half of a manzai comedy duo The Chihara Brothers.
-  Young Thugs: Innocent Blood ... Yuji
-  Barber's Sorrow ... Kurosaki
-  Moon Child
-  Tokyo Psycho ... Keisuke Kataoka
-  Hanging Garden
-  Hana Yori mo Naho ... Tomekichi