Seobok

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

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