Kim Jung-young

as Detective Nam

as Han Woo-jin (12 episodes)

as Geum-ja

as Kim Sung-rye (5 episodes)

as Jung Sun-hui (50 episodes)

as Han Yeong-eun (12 episodes)

as Woo Seung-hee (16 episodes)

as Jeon Gye-do's Mother's Voice (1 episode)

as Park Ok-ja (16 episodes)

as Park Sang-im (8 episodes)

as Yoon Hong-joo (8 episodes)

as Yoon Hong-joo (6 episodes)

as 경아 (연수 엄마)

as Oh Jae-Geum (1 episode)

as Sung-hoon's mother (2 episodes)

as Heo Jin-ok (3 episodes)

as Kyeong-hwa

as Sun-young (2 episodes)

as Kim So-min (1 episode)

as Yokurt

as Superior officer

as Young Moon-hee

as Seol-Young (16 episodes)