as Na Hee-do
16 episodes
as Baek Yi-jin
16 episodes
as Ko Yu-rim
16 episodes
as Moon Ji-woong
16 episodes
as Ji Seung-wan
16 episodes
as Yang Chan-mi
16 episodes
as Kim Min-chae
16 episodes
as Lee Ye-ji
16 episodes
as Baek Yi-hyun
16 episodes
as Adult Na Hee-do
16 episodes
as Baek Sung-hak
16 episodes
as Yi-jin's Mother
16 episodes
as Seung-wan's Mother
16 episodes
as Jung Ho-jin
2 episodes
as Shin Jae-kyung
16 episodes
as Park Han-sol
16 episodes
as Yu-rim's Mother
16 episodes
as Yu-rim's Father
16 episodes
as Seo Joong-hyuk
16 episodes
as Na Sung-jin
2 episodes
as Baek Yi-hyun (adult)
1 episode
as Seo Hye-jin
1 episode
as Hwang Bo-mi
1 episode
as Kim Yoo-jin
1 episode
as Bo-mi's friend
1 episode
as Bo-mi's friend
1 episode
as Yi-jin's friend
1 episode
as Yi-jin's friend
1 episode
as Delinquent boy
2 episodes
as Fencing team player
1 episode
as Fencing club coach
2 episodes
as Newspaper delivery subscriber
1 episode
as Chinese restaurant owner
1 episode
as Jang Chae-hee
1 episode
as Security guard
1 episode
as Loen Hotel employee
1 episode
as Mr. Baek's ex-employee
1 episode
as Taeyang High School teacher
1 episode
as Taeyang High School faculty member
1 episode
as Kang Ji-soo
3 episodes
as Lee Da-seul
3 episodes
as Ahyeon Supermarket owner
5 episodes
as Myeongjin Book Rentals owner
3 episodes
as Mr. Baek's ex-employee
2 episodes
as Na Hee-do (young)
3 episodes
as Ko Yu-rim (young)
2 episodes
as Ji-woong's friend
3 episodes
as Taeyang High School headmaster
2 episodes
as Passerby
1 episode
as Elephant Snacks diner
1 episode
as Korean history teacher
1 episode
as Kim Jong-chan
2 episodes
as Choi Won-hwan
2 episodes
as Mr. Kim
1 episode
as Ms. Son
1 episode
as Bus passenger
1 episode
as Job interviewee
1 episode
as Job interviewee
1 episode
as Neighbourhood man
1 episode
as Yi-jin's paternal aunt
1 episode
as Yi-jin's acquaintance / Director of Han River C&T
1 episode
as National team fencer
3 episodes
as National fencing team coach
4 episodes
as Yogurt lady
2 episodes
as UBS Network director
2 episodes
as Kim Min-chae (young)
1 episode
as Mover
1 episode
as Referee
1 episode
as Referee
1 episode
as Detective
1 episode
as Photo studio owner
1 episode
as UBS Network Sports anchor
3 episodes
as Yi-jin's maternal uncle
4 episodes
as Kim Hak-gyu
8 episodes
as Sawaguchi
1 episode
as MBS TV network employee
1 episode
as MBS TV network department head
1 episode
as KBY TV network department head
1 episode
as Kang Hak-rae
2 episodes
as Alan Smith
2 episodes
as Jung Da-yeong
5 episodes
as Kwon Dung-uk
5 episodes
as Reporter Ji Yun-seong
2 episodes
as Diner
1 episode
as Diner
1 episode
as Diner
1 episode
as Hotel receptionist
1 episode
as UBS Network Sports department staff
1 episode
as Hee-do's grandmother
2 episodes
as Ha Byung-jin
1 episode
as Neighbourhood woman
1 episode
as Neighbourhood woman
1 episode
as Jae-kyung's co-worker
1 episode
as Fencing association executive
1 episode
as Disciplinary committee member
1 episode
as Disciplinary committee member
1 episode
as Sanga University coach
2 episodes
as Seonjung Girls' High School fencing team player
2 episodes
as Park Hye-jin
1 episode
as PD Park
2 episodes
as UBS Network cameraman
2 episodes
as University teaching assistant
1 episode
as UBS Network documentary staff
2 episodes
as Seo Yeong-seong
4 episodes
as UBS Network staff
2 episodes
as UBS Network cameraman
2 episodes
as Hwang Ho-jin
1 episode
as Carpenter
1 episode
as Restaurant host
1 episode
as UBS Network staff
1 episode
as UBS anchorman
2 episodes
as Jungle Prince bassist
2 episodes
as Jungle Prince guitarist
2 episodes
as Jungle Prince drummer
2 episodes
as Jungle Prince keyboardist
2 episodes
as Detective
1 episode
as Policeman
1 episode
as Upset diner
1 episode
as Upset diner
1 episode
as Kim Da-mi
1 episode
as Yang Chan-mi (young)
1 episode
as Shin Jae-kyung (young)
1 episode
as Jun-ho
1 episode
as Ji-woong's mother
1 episode
as Reporter
1 episode
as Reporter
1 episode
as Reporter
1 episode
as Bus driver
1 episode
as Builder
1 episode
as Detective Kim
1 episode
as Fencing coach
1 episode
as Victim's mother
1 episode
as Sports agency employee
1 episode
as Fencing association employee
1 episode
as Sophia Choi
1 episode
as 9/11 survivor
1 episode
as UBS Network staff
1 episode
as Hospital hallway woman
1 episode
as Lee Gi-hun
2 episodes
as National team fencer
2 episodes
as Han Min-jung
1 episode
as UBS director 2009
1 episode
as UBS Network staff
1 episode
as UBS Network staff
1 episode
as Cellphone store employee
1 episode
as Reporter (voice)
1 episode