Ryo Ryusei is a Japanese actor from Tokyo Metropolis. His hobbies include playing soccer and basketball, and is excellent in high jump. He debuted in 2010 and currently works under the talent agency KEN-ON. He is known for portraying Daigo Kiryu/(Kyoryu Red) in Zyuden Sentai Kyoryuger as well as his ancestor Moshinosuke Iwaizumi. In Zyuden Sentai Kyoryuger: 100 YEARS AFTER, he portrayed Dai-kun, Daigo's great-great grandson.