Nam Goo-hyun 10 episodes, 2014
Lee Young-tak 20 episodes, 2014-2015
Detective Hwang unknown episodes
Lee Ki Chan 24 episodes, 2011-2012
Lee Chi Soo 20 episodes, 2010-2011
Ahn In Hwan 16 episodes, 2013
Soo Beop unknown episodes
Lee Jeong Mun 18 episodes, 2018
Kim Nam Joon 16 episodes, 2014
Lieutenant General Yoon 17 episodes, 2016