Ryuji Kamiyama was born on September 10, 1986 in Tokyo, Japan.
He joined a dance group, "DANK" in 2000 and joined Run&Gun in 2001.
He was in the Air Gear musical with his fellow band members. Ryuji first played the part of Romeo, before he took over the role of Minami Ikki when Kenta Kamakari fell ill. He graduated from Run&Gun in August 2014 and became a full-time actor.
- Into the Woods (2004)
- Air Gear (January 2007)
- Air Gear vs. Bacchus Super Range Remix (May 2007)
- RUN&GUN stage: Blue Sheets (January 2008)
- Flying Trapeze (2008)
- The Sound of Music (2008)
- RUN&GUN stage 2: Yoosoro (October 2008)
- Fruits Basket Stage (2009)
- Evil Dead the Musical (2009)
- Katekyo Hitman Reborn (2009)
- Les Misérables (2015)
- Hana Yori Dango: The Musical (January 2016)
|2006||Damens Walker||Naohito Suzuki|
|2005||Asoko no Seki||Keiichi Oki|
|2010||Kenka Bancho Gekijoban: Zenkoku Seiha||Soji Okita|
|2012||Tsy: Time Slip Yankee||Saboru Oumi|
- Kamiyama also acted in the drama, Damens Walker with Norika Fujiwara (Minako Yamano in the 1995 film Hana Yori Dango).
- Yoko Kamio gifted him a signed illustration of Akira Mimasaka, while he was working on the musical. The other four main cast members also received illustrations.