In the cast lineup, Eita will be playing an elite police officer who doesn't know Reiji's true identity and treats him as an enemy. Reiji's investigation target who is the chairman of a gang will be played by Iwaki Koichi while his daughter is played by Honda Tsubasa. Nanao will play a Chinese mafia member who is out to kill Reiji. Tsutsumi Shinichi will play a gang leader who is impressed with Reiji and takes the latter as his sworn brother. Furuta Arata will be an expelled member of the gang who holds a grudge against Reiji and Tsutsumi's character while Kamiji Yusuke will play a killer belonging to the gang and Naka Riisa will be a police officer who has a thing for Reiji.