IMDbActorIsamu ŌsukaActing•Hiroshima Prefecture, JapanBiographyIsamu Ōsuka ( 大須賀勇) was a Japanese dancer. Born 1946; died February 7, 2026. He was a central member of the butoh performance group Dairakudakan. In 1980, he co-founded the butoh performance group Byakko-Sha (白虎社).Details