Na Hee-do (16 Episodes)

Baek Yi-jin (16 Episodes)

Ko Yu-rim (16 Episodes)

Moon Ji-woong (16 Episodes)

Ji Seung-wan (16 Episodes)

Yang Chan-mi (16 Episodes)

Kim Min-chae (16 Episodes)

Lee Ye-ji (16 Episodes)

Baek Yi-hyun (16 Episodes)

Adult Na Hee-do (16 Episodes)

Baek Sung-hak (16 Episodes)

Yi-jin's Mother (16 Episodes)

Seung-wan's Mother (16 Episodes)

Shin Jae-kyung (16 Episodes)

Park Han-sol (16 Episodes)

Yu-rim's Mother (16 Episodes)

Yu-rim's Father (16 Episodes)

Seo Joong-hyuk (16 Episodes)

Kim Hak-gyu (8 Episodes)

Ahyeon Supermarket owner (5 Episodes)

Jung Da-yeong (5 Episodes)

Kwon Dung-uk (5 Episodes)

National fencing team coach (4 Episodes)

Yi-jin's maternal uncle (4 Episodes)

Seo Yeong-seong (4 Episodes)

Kang Ji-soo (3 Episodes)

Lee Da-seul (3 Episodes)

Myeongjin Book Rentals owner (3 Episodes)

Na Hee-do (young) (3 Episodes)

Ji-woong's friend (3 Episodes)

National team fencer (3 Episodes)

UBS Network Sports anchor (3 Episodes)

Na Sung-jin (2 Episodes)

Delinquent boy (2 Episodes)

Fencing club coach (2 Episodes)

Chinese restaurant owner (1 Episodes)

Mr. Baek's ex-employee (2 Episodes)

Ko Yu-rim (young) (2 Episodes)

Taeyang High School headmaster (2 Episodes)

Kim Jong-chan (2 Episodes)

Choi Won-hwan (2 Episodes)

Yogurt lady (2 Episodes)

UBS Network director (2 Episodes)

Kang Hak-rae (2 Episodes)

Alan Smith (2 Episodes)

Reporter Ji Yun-seong (2 Episodes)

Hee-do's grandmother (2 Episodes)

Sanga University coach (2 Episodes)

Seonjung Girls' High School fencing team player (2 Episodes)

PD Park (2 Episodes)

UBS Network cameraman (2 Episodes)

UBS Network documentary staff (2 Episodes)

UBS Network staff (2 Episodes)

UBS Network cameraman (2 Episodes)

UBS anchorman (2 Episodes)

Jungle Prince bassist (2 Episodes)

Jungle Prince guitarist (2 Episodes)

Jungle Prince drummer (2 Episodes)

Jungle Prince keyboardist (2 Episodes)

Builder (1 Episodes)

Lee Gi-hun (2 Episodes)

National team fencer (2 Episodes)

Baek Yi-hyun (adult) (1 Episodes)

Seo Hye-jin (1 Episodes)

Hwang Bo-mi (1 Episodes)

Kim Yoo-jin (1 Episodes)

Bo-mi's friend (1 Episodes)

Bo-mi's friend (1 Episodes)

Yi-jin's friend (1 Episodes)

Yi-jin's friend (1 Episodes)

Fencing team player (1 Episodes)

Jang Chae-hee (1 Episodes)

Security guard (1 Episodes)

Loen Hotel employee (1 Episodes)

Mr. Baek's ex-employee (1 Episodes)

Taeyang High School teacher (1 Episodes)

Taeyang High School faculty member (1 Episodes)

Passerby (1 Episodes)

Elephant Snacks diner (1 Episodes)

Korean history teacher (1 Episodes)

Mr. Kim (1 Episodes)

Ms. Son (1 Episodes)

Bus passenger (1 Episodes)

Job interviewee (1 Episodes)

Job interviewee (1 Episodes)

Neighbourhood man (1 Episodes)

Yi-jin's paternal aunt (1 Episodes)

Yi-jin's acquaintance / Director of Han River C&T (1 Episodes)

Kim Min-chae (young) (1 Episodes)

Mover (1 Episodes)

Referee (1 Episodes)

Referee (1 Episodes)

Detective (1 Episodes)

Photo studio owner (1 Episodes)

Sawaguchi (1 Episodes)

MBS TV network employee (1 Episodes)

MBS TV network department head (1 Episodes)

KBY TV network department head (1 Episodes)

Diner (1 Episodes)

Diner (1 Episodes)

Diner (1 Episodes)

Hotel receptionist (1 Episodes)

UBS Network Sports department staff (1 Episodes)

Ha Byung-jin (1 Episodes)

Neighbourhood woman (1 Episodes)

Neighbourhood woman (1 Episodes)

Jae-kyung's co-worker (1 Episodes)

Fencing association executive (1 Episodes)

Disciplinary committee member (1 Episodes)

Disciplinary committee member (1 Episodes)

Park Hye-jin (1 Episodes)

University teaching assistant (1 Episodes)

Hwang Ho-jin (1 Episodes)

Carpenter (1 Episodes)

Restaurant host (1 Episodes)

UBS Network staff (1 Episodes)

Detective (1 Episodes)

Policeman (1 Episodes)

Upset diner (1 Episodes)

Upset diner (1 Episodes)

Kim Da-mi (1 Episodes)

Yang Chan-mi (young) (1 Episodes)

Shin Jae-kyung (young) (1 Episodes)

Jun-ho (1 Episodes)

Ji-woong's mother (1 Episodes)

Reporter (1 Episodes)

Reporter (1 Episodes)

Reporter (1 Episodes)

Bus driver (1 Episodes)

Fencing coach (1 Episodes)

Victim's mother (1 Episodes)

Sports agency employee (1 Episodes)

Fencing association employee (1 Episodes)

Sophia Choi (1 Episodes)

9/11 survivor (1 Episodes)

UBS Network staff (1 Episodes)

Hospital hallway woman (1 Episodes)

Han Min-jung (1 Episodes)

UBS director 2009 (1 Episodes)

UBS Network staff (1 Episodes)

UBS Network staff (1 Episodes)

Cellphone store employee (1 Episodes)