Jang Geu-rae (20 Episodes)

Oh Sang-shik (20 Episodes)

Ahn Young-yi (20 Episodes)

Jang Baek-gi (20 Episodes)

Han Seok-yool (20 Episodes)

Kim Dong-sik (20 Episodes)

Chun Kwan-woong (20 Episodes)

Choi Young-hoo (20 Episodes)

Sun Ji-young (20 Episodes)

Kang Hae-joon (20 Episodes)

Sung Joon-sik (20 Episodes)

Go Dong-ho (20 Episodes)

Ha Sung-joon (20 Episodes)

Jung Hee-seok (20 Episodes)

Kim Bu-ryeon (11 Episodes)

Yoo Hyung-gi (10 Episodes)

Jung Sook-hee (9 Episodes)

Ma Bok-ryeol (9 Episodes)

Oh Sang-shik's wife (8 Episodes)

Jang Mi-ra (7 Episodes)

Lee Sang-hyun (5 Episodes)

Jang Geu-rae (young) (5 Episodes)

Jang Geu-rae (teen) (4 Episodes)

Moon Sang-pil (4 Episodes)

Park Jong-shik (4 Episodes)

Lee Jin-tae (4 Episodes)

President (4 Episodes)

Shin Woo-hyun (3 Episodes)

Director of Planning (3 Episodes)

Seo Jin-sang (3 Episodes)

Ha Jung-yeon (3 Episodes)

Kim Seok-ho (3 Episodes)

Baduk master (3 Episodes)

Jang Gi-seok (3 Episodes)

Assistant manager Cho (2 Episodes)

Kim Sang-hyeob (2 Episodes)

Husband (1 Episodes)

Park Young-ho (1 Episodes)

Employee (1 Episodes)

Employee (1 Episodes)

Employee (1 Episodes)

Baduk team leader (1 Episodes)

Factory worker (1 Episodes)

Moon Chung-gi (1 Episodes)

Hwang (1 Episodes)

Self (1 Episodes)

Han Seok-yool's father (1 Episodes)

Park So-mi (1 Episodes)

Byun Hyeong-cheol (1 Episodes)

Park Yong-goo (1 Episodes)

Lee Seok-joong (1 Episodes)

Choi (1 Episodes)

Kim Sun-ju (1 Episodes)

Michelle Jang (1 Episodes)

Oh Sang-shik (young) (1 Episodes)

Kim Seok-woo (1 Episodes)

Deputy manager Ham (1 Episodes)

Lee Eun-ji (1 Episodes)

Ahn Young-yi's father (1 Episodes)

Assistant manager Seok (1 Episodes)

Assistant manager Kang (1 Episodes)