Cha Heon-tae

Ha Jung-woo

Coach Bang

Dong-il Song

Kang Chilgu

Kim Ji-seok

Coach Bang

Sung Dong-il

Kim Bo-seok

Ji-seok Kim

Choi Heung-cheol

Kim Dong-wook

Ma Jae-bok

Choi Jae-hwan

Kang Bong-gu

Jae-eung Lee

Kang Bong-gu

Lee Jae-eung

Bang Soo-yeon

Lee Eun-su

Bang Soo-yeon

Lee Eun-sung

Ma's father

Lee Han-wi

Wang Soon-deok

Hyun Jyu-ni

Cha Heon-tae's birth mother

Lee Hye-sook

Ma's Father

Han-wi Lee

Bong-goo's grandmother

Kim Ji-young

Commentator

Jin-woong Jo

Commentator

Cho Jin-woong

Boss

Su-ro Kim

Chairman

Kim Yong-geon

Boss

Kim Su-ro

Announcer (uncredited)

Son Bum-soo

Rich

Park Jung-soo

Translator (uncredited)

Joe Seo

Announcer (uncredited)

Lee Geum-hee

Airplane Passenger (uncredited)

Kang Je-Gyu

Caster

Kim Sung-joo

Chemist 2

Oh Gwang-rok

Chemist 2 (uncredited)

Oh Kwang-rok

Detective

Ma Dong-Suk

Detective

Don Lee

Boss

Kim Soo-ro

Female Secretary

Choo Min-young

Airplane Passenger

Kang Je-kyu