A Hard Day: Reparto
Lee Sun-kyun
Go Gun-su
조진웅
Park Chang-min
정만식
Detective Choi
신정근
Chief of Homicide
신동미
Younger Sister
허정은
Min-a
김동영
Detective Doh
주석태
Detective
박보검
Officer Lee Jin-ho
이지훈
Police Officer of Chemistry Storage
김보경
Ex-wife
김강현
Young-cheol
김해곤
Vault Owner
기주봉
Mr. Kim
배유람
Police Officer
Jang In-sub
Police Officer
서현우
Police Officer
장준녕
Mr. Choi
이근후
Jeong Bi-sa