Seobok

Ahn So-ye as Crosswalk Kid Ki Hwan as Intelligence Bureau Team Leader Lee Sang-kyung as Intelligence Bureau Agent Joung Young-sub as Intelligence Bureau Agent Kim Sang-dong as Market Vendor Jo Jin-kyul as NIS Agent Jung Mi-nam as Mercenary Chae Yeon-jung as Ki-heon's Mother Jo Woo-jin as Chief Ahn Yeon Je-wook as Section Chief Heo Kim Jae-geon as Chairman Kim Chun-oh Park Sang-hoon as Intelligence Bureau Agent Yang Hee-woo as Gas Station Employee Kim Kye-hyung as SWAT Member Jin Si-won as Seoin Security Agent Park Bo-gum as Seo Bok Kim Hong-pa as Bureau Director Bae Guk-jang Lee Eon-jeong as Yoon Hyun-Soo Yoon Sang-hoon as Dr. Song Kim Kyu-do as Seoin Researcher Shin Sung-il as Mercenary Park Byung-eun as Shin Hak-sun Na Kwang-hoon as Kim Walker Yun Ki-chang as Agent Cha Ji-won as Researcher Han Ji-hyeon as Yong Ju Maurice Turner Jr. as Foreign Mercenary Joey Albright as Mercenary Kim Sun-hyuk as Special task force Jang Young-nam as Dr. Im Se-eun Andreas Fronk as John Kane Paul Battle as Carl Anderson Baek Do-kyeom as Agent Lee Yo-sung as Chasing Police Officer Lim Jae-min as Extraction Room Researcher Kim Yong-jun as Man in Rear Car Dispute Gong Yoo as Ki-heon Jo Yeon-ho as Young Min Gi-heon

Heo Myeong-haeng Martial Arts Choreographer Lee Yong-ju Director, Writer, Executive Producer Park Jin-young Digital Intermediate Ryu Seong-cheol Stunts Kim Min-su Stunts Kim Sang-bum Editor Kim Seo-young Makeup & Hair Kwon Tae-ho Stunts Cho Sang-kyung Costume Design Lee Ha-jun Production Design Cho Young-wuk Original Music Composer