Gunman in Joseon Guest cast, played by Kang Sung Jin Episode 1x01: Episode 1 (Jun 25, 2014) Episode 1x03: Episode 3 (Jul 2, 2014) Episode 1x04: Episode 4 (Jul 3, 2014) Episode 1x05: Episode 5 (Jul 9, 2014) Episode 1x06: Episode 6 (Jul 10, 2014)
