**Kazuki Namioka** (born in 1978) is a Japanese actor, known for his prolific career in supporting roles, often in successful film and television productions. An esteemed character actor, he stands out for his versatility and strong screen presence, which allow him to span diverse genres.

He specializes in portraying gritty, tough, sometimes violent or morally ambiguous characters: delinquents, yakuza, samurai, or soldiers. Among his most iconic works are his appearances in films such as *Crows Zero* (2007), Takashi Miike's *Thirteen Assassins* (2010), the popular *Rurouni Kenshin* saga (as Sawagejō Chō), and the *Kingdom* films. Namioka is esteemed for his ability to bring intensity and realism to his roles.