Shogo Yamaguchi (山口 翔悟, Yamaguchi Shōgo, born February 19, 1983) in Aichi Prefecture is a Japanese actor.^[1] He debuted as an actor in V-cinema in 2001,^[1] and made his theatrical film debut in 2003 in Azumi.^[2] His first main lead starring role was in the tokusatsu television series Madan Senki Ryukendo in 2006, which was a major breakthrough and made him rise to worldwide fame, and is also considered to be his best and most memorable performance to date.^[2] In 2008, he was selected from an audition of 500 actors to play the male lead against the heroine in the NHK Asadora Dandan. His other notable roles are in the movie Parazoku: Parapara ja Naika (2006) and the television series Hanchō.^[1]

Yamaguchi lives with his two beloved cats, Ichimaru and Bo.^[3][4] He is an ardent supporter of the football club Arsenal F.C.^[5][6] He is also actively involved with several theatre and stage plays.^[7][8][9]

Yamaguchi also continues to maintain a great friendship with Gen & Kouhei Kuroda, who were his co-stars from Madan Senki Ryukendo and played Fudou and Koichi in the show respectively. The three are known to get together every now and then till present day.^[10][11][12]

Yamaguchi is a painter and craftsman by hobby, often sharing his creations through social media accounts.^[13][14][15]