형 - Elenco
조정석
Doo-sik
도경수
Doo-young
박신혜
Soo-hyun
김강현
Dae-chang
지대한
Director of the National Athletes
임철형
Old man
Lee Do-yeon
Club
Lee Yeon-su
Doo-sik's Mother
Jung Jae-jin
Super
Ku Hye-ryeong
Officer
Son Mi-hee
Nurse
배성재
Caster
Jung Ji-hoon
Doo-young (young)
Kwon Beom-taek
Guard
송용식
Dealer