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Series Regulars (15)
Kim Tae-ri
as Gu San-yeong
12 episodes
Oh Jung-se
as Yeom Hae-sang
12 episodes
Hong Kyung
as Lee Hong-sae
12 episodes
Park Ji-young
as Yoon Kyung-moon
12 episodes
Yang Hye-ji
as Baek Se-mi
12 episodes
Ye Su-jeong
as Kim Seok-ran
12 episodes
Kim Hae-sook
as Na Byung-hee
12 episodes
Lee Gyu-hoe
as Kim Chi-won
12 episodes
Kim Won-hae
as Seo Moon-choon
12 episodes
Kim Shin-bi
as Kim Woo-jin
12 episodes
Jin Sun-kyu
as Gu Kang-mo
12 episodes
Song Si-an
as Yoo Seo-ryeon
12 episodes
Joo Bo-bi
as Na Byung-hee (Young)
12 episodes
Choi So-yul
as Gu San-yeong (Child)
12 episodes
Park Hyo-ju
as Yeom Hae-sang Mom
12 episodes
Recurring (8)
Guest Stars (17)
Hwang Jae-yeolas Jung Hyun-wo Dad (Eps 1, 2)
2 epKim Jung-chulas Jung Hyun-wo (Eps 1, 2)
2 epKim Moon-chanas [Detective]
2 epLim Ji-hoas Nam Seok-hun
1 epHan Sung-yeonas Cafe restroom woman (Eps 6)
1 epHa Seung-yeonas Study Hostel Clerk (Eps 3)
1 epJung Se-Hyunas Lee Tae-young's Classmate (Eps 3)
1 epLee Soias Lee Tae-young's Classmate (Eps 3)
1 epLee Ha-jooas Cafe Employee (Eps 3)
1 epCho Jae-kyeongas University Student (Eps 1)
1 epSong A-kyungas Dr. Song A-kyung (Eps 2)
1 epHong Ye-jias Librarian (Eps 9)
1 epJoo Ha-yeonas Chae Seo-rin (Eps 9)
1 epJeon Yeongas Real Estate Agent (Eps 1)
1 epCho Hyun-chulas [Man Wol's great-nephew]
1 epLee Je-yeonas Shin Seung Joo [Young]
1 epLee Seung-juas Gu San-yeong's Friend (Eps 4)
1 epDirecting (2)
Writing (1)
Production (1)
4.0
Ended
Network
SBSMysteryDrama
60 min / episode
Korean
Created by
Lee Jeong-lim, Lee Ok-gyu, Kim Eun-hee
Cast & Crew
Series Regulars (15)
Kim Tae-ri
as Gu San-yeong
12 episodes
Oh Jung-se
as Yeom Hae-sang
12 episodes
Hong Kyung
as Lee Hong-sae
12 episodes
Park Ji-young
as Yoon Kyung-moon
12 episodes
Yang Hye-ji
as Baek Se-mi
12 episodes
Ye Su-jeong
as Kim Seok-ran
12 episodes
Kim Hae-sook
as Na Byung-hee
12 episodes
Lee Gyu-hoe
as Kim Chi-won
12 episodes
Kim Won-hae
as Seo Moon-choon
12 episodes
Kim Shin-bi
as Kim Woo-jin
12 episodes
Jin Sun-kyu
as Gu Kang-mo
12 episodes
Song Si-an
as Yoo Seo-ryeon
12 episodes
Joo Bo-bi
as Na Byung-hee (Young)
12 episodes
Choi So-yul
as Gu San-yeong (Child)
12 episodes
Park Hyo-ju
as Yeom Hae-sang Mom
12 episodes
Recurring (8)
Guest Stars (17)
Hwang Jae-yeolas Jung Hyun-wo Dad (Eps 1, 2)
2 epKim Jung-chulas Jung Hyun-wo (Eps 1, 2)
2 epKim Moon-chanas [Detective]
2 epLim Ji-hoas Nam Seok-hun
1 epHan Sung-yeonas Cafe restroom woman (Eps 6)
1 epHa Seung-yeonas Study Hostel Clerk (Eps 3)
1 epJung Se-Hyunas Lee Tae-young's Classmate (Eps 3)
1 epLee Soias Lee Tae-young's Classmate (Eps 3)
1 epLee Ha-jooas Cafe Employee (Eps 3)
1 epCho Jae-kyeongas University Student (Eps 1)
1 epSong A-kyungas Dr. Song A-kyung (Eps 2)
1 epHong Ye-jias Librarian (Eps 9)
1 epJoo Ha-yeonas Chae Seo-rin (Eps 9)
1 epJeon Yeongas Real Estate Agent (Eps 1)
1 epCho Hyun-chulas [Man Wol's great-nephew]
1 epLee Je-yeonas Shin Seung Joo [Young]
1 epLee Seung-juas Gu San-yeong's Friend (Eps 4)
1 ep