Jung Jin-young as Kim Dong-hyun

Park Sung-woong as Jang Pan-soo

Ra Mi-ran as Oh Mi-sun

Lee Soo-min as Oh Hyun-jung

Kim Kwang-kyu as Kim Jong-ki

Lee Jun-hyeok as Man-chul

Yoon Song-ah as Dam-im

Park Kyung-hye as Jae-hee

Jung Yun-ha as Japanese Teacher

Kim Hyeon-mok as Kim Jae-ik

Jang Jin-hee as History Teacher

Oh Yun-su as Hotel Staff

Ji Chan as Detective

Kwon Hyeok-beom as Cheol-ho

Nam Jin-bok as Loan Shark

Kim Hong-pa as CEO Han

Mi So-yun as Coffee Employee

Jung Hyun Cheol as Pan-soo's Gang Member #4

Lee Pung-un as Min-woo

Cha Young-ju as Min-woo's Friend

Bae Kyung Min as Min-woo's Friend

Jung Won-chang as Min-woo's Friend

Heo Yoo-ri as Min-woo's Friend

Park Ji-hoon as Min-woo's Friend

Cho Hyun-young as Yoon-ji

Park Ju-hyun as Female Student #1

Kwon Hyeok-beom as Chul-ho

Son Kwang-Eop as Section Chief Jo

Kim Tae-jun as Loan Shark Big Man #1

Kim Jae-man as Detective

Lim Seung-Jun as Mansion Security Guard #2

Jo Young-ji as Reporter

Lee Kwang-ho as Section Chief Kwak

Yun Bu-jin as Landlord

Oh Ji-young as Housekeeper

Kim Young as Bully Guy #2

Seo Seung-won as Woodworking Employee

Kim Joon-hyung as Pan-soo's Gang Member #3

Park Jin-su as Police #1

Kim Geon as Hospital Ward Guard #1

Park Shin-ah as Loan Shark Accountant

Hyun Young as

Kim Bu-seon as Grandmother

Jung Yoon-seo as Attending Physician

Lee Ja-eun as Pianist

Han So-hyun as Party Girl

Im Dae Il as Cart Bar Man

Jo Kyung-hyun as Bar Owner

Kwak Ji-yoo as Nurse

Jin Soo Sun as Gun Carrying Man

Shin Jae Min as Security Personnel #1

Kim Bum-jin as Min Woo-chin

Yoon Dan-bi as

Kim Dae-han as Moneylender's Big Guy

Nam Tae-woo as Pan-soo's Gang Member

Hwang In-jun as Wrecking Crew

Lee Jung Do as Shared Meal Restaurant Couple Man

Jung Ji Yeon as Imaginary Mi-seon

Lee Keon-gu as CEO Yang's Subordinate

Lee Woo-je as Fat Man

Lee Dong-Young as Wrecking Crew

Kim Sang Gyeom as Pan-soo's Gang Member

Cho Sung-hee as Literature Teacher

Lee Woo-sung as Hospital Ward Guard #2

Park Jin-ah as Bully

Heo Na-kyung as Min-woo's Friend

Choo Suk-Young as Min-woo's Friend

Im Ji Hyung as Kim Dong-hyun's Classmate

Min Ji-a as Han Seo-yeon