Black-Ronin martial arts Supplies. The Last samurai Official Movie Trailer. Taken from the Region 2, two disk widescreen edition DVD. Tom Cruise plays Civil War hero Captain Nathan Algren, who comes to Japan to train a new modern army to fight the rebel Samurai forces. Ken Watanabe plays Katsumoto, the Samurai leader facing a vanishing way of life and who is willing to fight and to die in order to protect it. A truly sweeping and emotional epic tale of the birth of modern japan.