Military Police DP Unit member, Rank: Private He generally maintains a calm demeanor, but possesses a fiery personality that rebels immediately when he feels he is being treated unfairly.

Military Police DP Unit Leader, Rank: Corporal He has a free-spirited and sly personality, much like a mischievous prankster.

Military Police Investigation Division Deserter Pursuit Investigation Officer, Rank: Sergeant First Class Unlike Captain Lim Ji-seop or the MP Chief who only care about their own careers, he constantly grumbles and doesn't hesitate to curse, yet he genuinely cares for and supports Jun-ho and Ho-yeol.

Military Police MP Chief's Aide, Rank: Captain Divorced. A man blinded by performance metrics and climbing the social ladder. Driven by a desperate desire to flatter his superiors with results, he acts recklessly and even treats Sergeant First Class Park Beom-gu with disrespect.

Military Police Rank: Sergeant, MP Special Duty Team Leader Although there are several senior sergeants above him, Hwang Jang-soo is the undisputed power player. Bullying juniors is both his hobby and his main occupation, and he remains obsessed with toxic military discipline even with his discharge date approaching. His seniors do not stop him, but rather turn a blind eye.

Military Police, Rank: Private First Class An angelic immediate senior who was the only one trying to look after Jun-ho during the harsh scoldings from seniors in the very beginning.

Military Police, Rank: Corporal A piece of human trash no better than Hwang Jang-soo. By continuously tormenting his juniors under Sergeant Hwang Jang-soo, he eventually drove Cho Suk-bong to desert and pulled the trigger on Suk-bong's rage and revenge against Hwang.