Pacemaker

Kim Myung-min

Joo Man-ho

Go Ara

Yu Ji-won

Ahn Sung-ki

Park Sung-il

Jo Hee-bong

Jong-soo

Choi Tae-joon

Min Yun-gi

Choi Jae-woong

Joo Sung-ho

Lee Yool

Gyeong-sun

Abu Dodd

Bong-Jo

Lee El

Dr. Choi

Yuha Lee

Sung-ho's wife

Jo Young-jin

Director

Kwak Jin-seok

Wooyuki

Kwak Ja-hyung

Loan shark

Park Seong-taek

Coach

Sung Tae-joon

Ministry of Foreign Affairs staff