Ogram Mark E.
Oh Hyun
Oh Se Jin
Oh Se Wook
Oh Young Sub
Oh Yun Seok
Oh Yun-Seok
Ohashi Keitchi
Ohno Hajime
Ohtaka Setsuo
Ohtsuki Naruka
Okano Harumi
Okano Kyoko
Okano Morinobu
Oki George
Oki Katsuyuki
Oki M. Lawrence
Okimoto Jirou
Okros Paul G.
Okuda Youji