Full cast of Lovely Runner

Byeon Woo-seok

Ryu Sun-jae

16 episodes

Kim Hye-yoon

Im Sol

16 episodes

Song Geon-hee

Kim Tae-sung

16 episodes

Lee Seung-hyub

Baek In-hyuk

16 episodes

Jeong Young-ju

Park Bok-soon

16 episodes

Seong Byeong-suk

Jung Mal-ja

16 episodes

Song Ji-ho

Im Geum

16 episodes

Seo Hye-won

Lee Hyun-joo

16 episodes

Kim Won-hae

Ryu Geun-deok

16 episodes

Ahn Sang-woo

Kim Seok-hyun

16 episodes

Lee Il-jun

Park Dong-seok

16 episodes

Yang Hyuk

Jay

16 episodes

Moon Yong-seok

Hyun-soo

16 episodes

Park Yoon-hee

Kim Won-chul

16 episodes

Jeon Yeong

Lee Kyung-ja

16 episodes

Go Tae-jin

Choi Jung-hoon

16 episodes

Heo Hyung-kyu

Kim Young-soo

16 episodes

Kim Hwi-gyu

Cha I Seul [Tae Seong's friend]

16 episodes

Han Seung-yeon

Self

2 episodes

Lee Chul-woo

Kim Hyung Gu (Seon Jae's rival)

2 episodes

Kwon Yu-ri

Self

1 episode

Park Tae-hwan

Self

1 episode

Lee Su-ji

Cheonsin

1 episode

Kim Min-ki

Kim Do Jun

1 episode

Cho Ryun

In Hyuk's mom

1 episode

Song Yeong-jae

In Hyuk's dad

1 episode

Ko Seo-jeong

Math Teacher

1 episode

Kim Seon-gyeong

[Seon Jae's fan]

1 episode