Рю Сын Бом (RYU Seung-Beom / 류승범) — корейский актёр, родился в субботу, 9 августа, 1980 года, в Сеуле, Южная Корея.
Born in 1973, "Rookie" RYOO made a stunning debut with his independent film. His unique action style drew surprising box-office success for an independently-made 16mm film. Without any formal education, RYOO worte, directed, acted in and even choreographed the action scenes in , is his first feature made with professionals from Chungmuro, the center of Korea's filmmaking. Furthermore, he pug up a unique genre called 'urban martial arts action' in his 2nd film. "Crying Fist" was one of the most anticipated films with the union of RYOO brothers and one of Korea's best actor CHOI Min-sik.