After trying to cover up a car accident that left a man dead, a crooked homicide detective is stalked by a mysterious man claiming to have witnessed the event.
Acting
Lee Sun-kyun sweats through every frame.
Editing
Ruthless precision—no scene wasted, no breath spared.
Director
Kim Seong-hun
Lee Sun-kyun
Go Gun-su
Cho Jin-woong
Park Chang-min
Jeong Man-sik
Detective Choi
Shin Jung-keun
Chief of Homicide
Shin Dong-mi
Younger Sister
Heo Jung-eun
Min-a
Kim Dong-young
Detective Doh
Ju Seok-tae
Detective
Park Bo-gum
Officer Lee Jin-ho
Lee Ji-hoon
Police Officer of Chemistry Storage
Kim Bo-kyung
Ex-wife
Kim Kang-hyun
Young-cheol
Kim Hae-gon
Vault Owner
Ki Joo-bong
Mr. Kim
Bae Yu-ram
Police Officer
Trivia, insights & behind the scenes
Lee Sun-kyun broke his hand filming the brutal hallway fight but finished the scene.
The title 'A Hard Day' references a Korean labor protest song, ironically sung by a corrupt cop.
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