Tao Okamoto is a Japanese model and actress. In 2013, she made her cinematic debut portraying Mariko Yashida in the Hollywood film The Wolverine. She next starred on the Japanese miniseries Chi no Wadachi. Afterward, she played Chiyoh in 4 episodes of Hannibal. She also appeared as Betty on the Amazon series The Man in the High Castle. In 2016, she portrayed Mercy Graves in the superhero film Batman v Superman: Dawn of Justice. Following this, she starred in the Hong Kong film Manhunt. More recently, she played the role of Hanaryo in the HBO series Westworld. She will star in the upcoming independent movie Lost Transmissions.