Ha Jeong-Woo
— Sohn Kee-chung
Si-wan Yim
— Seo Yoon-bok
Bae Sung-woo
— Nam Seung-ryong
Kim Sang-ho
— Baek Nam-hyeon
Park Eun-bin
— Ok-rim
박효주
— Yoon-seo
김정철
— Young Seo Yoon-bok
Lee Seung-joon
— Kim Gyo Sin's Disciple
구자건
— Go Jeong's Marathon Team Member
박기륭
— Supermarket Employee
Heo Yoo-ri
— Korean Market Owner's Wife
Kim Min-kyung
조이 알브라이트
— Journalist
Garrison Farquharson-Keener
— US Customs Officer
John D. Michaels
— Reporter
Carson Allen
— Reporter
안드레아스 프론크
— Drill Instructor
Paul Battle
— American Reporter
류해준
— Athleti's Club Player
남중규
Rachel J. Goodgion
— Marathon Attendee
Alex Romashov
— Geoffrey
Michael Wayne Foster
— American Sergeant
Morgan Bradley
— Smedley
Ron Roggé
— Harris
Kevin Dockry
— US Customs Officer
Lucas Linehan
— Jacob
Mickey O'Sullivan
— Cold Noodle
Ron Kelly
— General Hodge
Jim O'Hare
— Commentator