Ryosei Konishi (born February 20, 1982) is a versatile Japanese actor and singer, best known globally for his portrayal of Saejima Kouga, the titular golden knight in the dark fantasy "Tokusatsu" franchise Garo (2005–2012). His elegant yet intense performance in the series made him an icon of the genre and led to multiple reprisal roles in sequels and films. A graduate of the Japanese entertainment scene's rigorous stage circuit, Konishi is also a highly accomplished musical theater performer, having starred in major productions such as The Rocky Horror Show, Les Misérables, and as the lead in the stage adaptation of the popular manga Glass Mask.