Man-ho is a pacemaker for Korean national marathon team. His purpose is to stay ahead of others until the 30km mark. But he gradually grows a desire to run for the victory.

Kim Myung-min
as Joo Man-ho

Go Ara
as Yu Ji-won

Ahn Sung-ki
as Park Sung-il

Jo Hee-bong
as Jong-soo

Choi Tae-joon
as Min Yun-gi

Choi Jae-woong
as Joo Sung-ho

Lee Yool
as Gyeong-sun

Abu Dodd
as Bong-Jo

Lee El
as Dr. Choi

Yuha Lee
as Sung-ho's wife