Keum Sae-rokLee Soo-ryeon Kim Won-haeKim Hyeon-cheol Uhm Hyo-seopLee Chang-geun Hwang Young-heeChoi Soon-nyeo Shim Yi-youngSong Hae-ryeong Park Cheol-minChoi Byeong-geol Lee Hwang-euiHan Seok-joong Heo Jeong-doLee Gyeong-pil Jung Wook-jinChoi Jung-haeng Lee Kyu-sungJung Hye-geon Joo Bo-youngPark Seon-min Jang Won-hyukYoo Byeong-cheol Choi Seung-hoonHwang Jung-tae Choi Moon-sooSuk-joong's Wife Lee Bong-joonStudent Protestor Cha Sang-miMaid in Hee-tae's Home Jung Hee-taeKim Kyung-soo (adult) Choi E-sunSoo-chan's co-worker Jeon Jun-wooSoo-chan's employee Choi Won-youngHwang Hee-tae (adult) Oh Kyu-taekUsed car dealer Kim HyunLee siblings' aunt Park Eun-youngSung-wook's mother Jo Ji-hyeonBus station employee Ha Seong-minSung-wook's father Gu Bon-jinHospital executive Im Woo-chanPlainclothes agent Sung Ki-yoonHwang Jung-tae (adult) Hong Eun-jeongJung-tae's secretary Lee Sang-hwaViolent guy in hospital Seong No-jinKim Myung-soo (adult) Jang Tae-minAmbulance driver Han Myeong-hwanKim Sung-wook Koh Na-youngRestaurant owner Go Geon-ryeongBus passenger Yoon Jin-seongJang Suk-chul (adult)