Hiroyuki Sanada (真田 広之, Sanada Hiroyuki, 12 October 1960) is a Japanese actor and martial artist. He is best known to international audiences for his roles as Genbu in Ninja in the Dragon's Den, Ryuji Takayama in Ring, Tasogare Seibei in The Twilight Samurai, Ujio in The Last Samurai, Kenji in Rush Hour 3, and Scorpion in Mortal Kombat. His role as 'The Fool' in the Shakespeare play King Lear also gave him notable theatrical notice in the United Kingdom. In Japan, Sanada is also known for songs he recorded for movies he was in as well as songs he has performed for the public.He made his first major Hollywood appearance portraying Ujio in The Last Samurai, later appearing in such films as Speed Racer, The Wolverine, 47 Ronin, Life, Avengers: Endgame and Army of the Dead. He also had a recurring role on the HBO series Westworld from 2018 to 2020.