Yoo Ji-ho M (32) / Lieutenant (Team Leader) -Light Green Hair- (Husband of Lee Seul-i) Kim Yeon-jae F (29) / Sergeant -Yellow Hair- Oh Seung-yoon M (28) / Sergeant -Brown Hair- (Childhood friend of Kim Min-seo) [Since I was young, my only wish was to become a police officer. I spent 2 years as a patrol officer at Guwol District Office and am now in my 4th year at the Incheon Agency's Criminal Affairs Division. In 2002, Oh Jeong-taek died in the line of duty during an organized crime investigation. He is unaware of this. He was sent for adoption at age 5 and raised by a new foster family. Commissioner Kim Eun-young (63) is his biological mother. She does not realize he resembles Oh Jeong-taek. He has been active for 4 years.] Kim Min-seo F (28) / Sergeant -Red Hair- (Childhood friend of Oh Seung-yoon) [Spent 2 years as a patrol officer at Guwol District Office and is now in her 4th year at the Incheon Agency's Criminal Affairs Division] Kim Yong-cheol M (29) / Sergeant Seo Ye-eun F (28) / Sergeant (Girlfriend of Kim Jung-min) Lee Myeong-hak M (28) / Sergeant Yoo Jin-hee F (27) / Sergeant Lee So-young F (30) / Senior Sergeant (Deputy Team Leader) -Blue Hair- (Wife/Childhood friend of Lee Seok-hyeon) Kim Hee-chul M (28) / Sergeant Lee Yoon-young F (26) / Officer Kang Ho-dong M (27) / Sergeant Kim Tae-won M (26) / Officer Park Ye-jin F (25) / Officer Lee Soo-geun M (25) / Officer

Lee Ji-hye F (34) / Captain (Team Leader) -Orange Brown Hair- (Daughter of Senior Superintendent General Lee Da-hee) Kim Hyun-woo M (33) / Senior Sergeant -Reddish Brown Hair- (Husband of Seo Seung-hee) Lee Seul-i F (30) / Senior Sergeant (Wife of Yoo Ji-ho) Yang Hyeon-jong M (29) / Sergeant Song Yeon-mi F (32) / Senior Sergeant -Purple Hair- Kang Young-tae M (28) / Sergeant Lee Seok-hyeon M (30) / Senior Sergeant (Husband/Childhood friend of Lee So-young) Lee Ha-yeon F (29) / Sergeant Lee Jae-seong M (29) / Sergeant Ko Eun-min F (28) / Sergeant -Pink Hair- Park Hyun-kyu M (29) / Sergeant Lee Min-ho M (31) / Senior Sergeant -Black Gyle Cut Hair- Yoo Hyeon-jin F (27) / Sergeant Park Chul-min M (28) / Sergeant Kim Ji-min F (30) / Sergeant Park Yong-jin M (27) / Officer Lee Yeon-hee F (26) / Officer Kim Yong-min M (26) / Officer Yoon Bo-mi F (25) / Officer Choi Tae-hoon M (25) / Officer

Lee Young-ho M (41) / Captain (Division/Section Chief) -White Khaki Hair- Park Tae-seong M (30) / Senior Sergeant -Yellow Hair- Seo Seung-hee F (33) / Senior Sergeant -Orange Hair in a bun- (Wife of Kim Hyun-woo) Lee Tae-min M (28) / Sergeant Yoo Seong-min M (25) / Officer Kim Jung-min M (27) / Sergeant (Boyfriend of Seo Ye-eun) Lee Ha-na F (29) / Sergeant Shin Mi-young F (28) / Sergeant -Green Bobbed Hair- Park Soo-jung F (27) / Officer -Orange Bobbed Hair- Kim Mi-jin F (25) / Officer

Kim Eun-young F (63) / Chief Superintendent General (Incheon Metropolitan Police Commissioner) -Brownish Red Hair- (Remarried to husband Kang Dae-hyeop) (Former Narcotics junior to Lee Da-hee) (Children: eldest daughter Eun-mi 27, second son Eun-won 25) [In 2002, Oh Jeong-taek died in the line of duty during an organized crime investigation. After losing her husband, she sent her son Oh Seung-yoon for adoption at age 5. Since he joined the force, she has not realized that Seung-yoon, now in his 4th year in Criminal Affairs, resembles Oh Jeong-taek. She has continued her career.] Kang Dae-hyeop M (65) / Prosecutor General (Seoul Prosecutors Office) -Grey Black Hair- (Remarried to wife Kim Eun-young) (Children: eldest daughter Eun-mi 27, second son Eun-won 25) ------------------------------------------------ Choi Hyun-bin M (59) / Superintendent General (Deputy Commissioner, Incheon Police Agency) -White Black Hair- Lee Da-hee F (58) / Senior Superintendent General (Director, Incheon Police Agency) -Brown Khaki Hair- (Mother of Lee Ji-hye in MIU) (Former Narcotics senior to Kim Eun-young) Jung Jin-woo M (55) / Superintendent (Chief of Investigation, Incheon Police Agency) Park Hye-ran F (53) / Senior Superintendent General (Director, Incheon Police Agency)