Full cast of Run On

Yim Si-wan

Ki Seon-gyeom

16 episodes

Shin Sae-kyeong

Oh Mi-joo

16 episodes

Sooyoung Choi

Seo Dan-ah

16 episodes

Kang Tae-oh

Lee Yeong-hwa

16 episodes

Lee Bong-ryeon

Park May

16 episodes

Lee Jung-ha

Kim Woo-sik

16 episodes

Park Sung-jun

Kwon Yeong-il

16 episodes

Park Young-kyu

Ki Jeong-do

16 episodes

Cha Hwa-yeon

Yook Ji-woo

16 episodes

Ryu Abel

Ki Eun-bi

16 episodes

Lee Hwang-eui

Seo Myeong-pil

16 episodes

Choi Jae-hyun

Seo Tae-woong

16 episodes

Yeon Je-wook

Jeong Ji-hyeon

16 episodes

Kim Dong-young

Goh Ye-jun

16 episodes

Bret Allan Lindquist

Rob Stark

2 episodes

Bae Yu-ram

Han Seok Won [Mi Joo's ex-boyfriend]

2 episodes

Kim Seon-ho

Kim Sang-Ho

1 episode