Hidden Identity (Korean: 신분을 숨겨라; RR: Shinbuneul Sumgyeora) is a 2015 South Korean television series starring Kim Bum, Park Sung-woong, Yoon So-yi and Lee Won-jong.

[1][2][3] It aired on tvN from June 16 to August 4, 2015, on Mondays and Tuesdays at 23:00 (KST) for 16 episodes.

[4] An undercover investigative squad of homicide detectives is formed, and their extra-legal methods include wiretapping, communications monitoring and deep-cover infiltration.

Among its members are Cha Geon-woo (Kim Bum), a former ROKN SEAL and KNP SWAT member who pursues his targets doggedly and is secretly on a revenge mission after his girlfriend's death; principled and perceptive team leader Jang Moo-won (Park Sung-woong), who was granted permission to form the squad and will personally face the consequences if it fails; Jang Min-joo (Yoon So-yi), who's skilled in disguise, psychoanalysis and martial arts; and sly Choi Tae-pyung (Lee Won-jong), who gets information from shady back-alley connections.

In this table, the blue numbers represent the lowest ratings and the red numbers represent the highest ratings.