Marathon

Cho Seung-woo

as

Yoon Cho-won

Kim Mi-sook

as

Kyung-sook

Lee Ki-young

as

Coach Son Jung...

Baek Sung-hyun

as

Yoon Jung-won

Ahn Nae-sang

as

Hee-geun

Jo Young-kwan

as

Young Cho-won

Kim Min-ki

as

Young Jung-won

Kim Sun-jae

as

Teacher

Tak Yong-shin

as

Principal

Jeon Su-ji

as

Se-Yeon

Park So-eun

as

Young Se-yeon

Woo Ki-hong

as

Jurnalist

Lee Sung-min

as

Coach Son Jung...

Lee Jung-sung

as

Internist

Kim Jae-rok

as

Police Station...

Kim Hong-taek

as

Doctor