Han Ki-Soo (played by Lee Min-ki) is a protagonist in Quick.
A former teenage biker leader turned bike messenger in 2010. He accidentally places an explosive-rigged helmet on his ex-girlfriend while driving her to a concert. Forced by a mysterious caller to deliver three packages within strict 30-minute deadlines, he is hunted by the police who suspect him of being the bomber. He works alongside her to survive and uncover the mastermind behind the bombings. Choon-Sim (played by Kang Ye-won) is a protagonist in Quick.
The former girlfriend of Ki-su, now a popular idol and lead vocalist for the girl group OK Girls. After accepting a helmet from Ki-su, she discovers it is rigged with an explosive. Trapped in the device, she is forced to ride with Ki-su during a dangerous delivery run while attempting to remove the helmet and survive the escalating threats. Kim Myung-Sik (played by Kim In-kwon) appears in Quick.
A biker from 2004 who harbors unrequited feelings for Choon-Sim. He is only seen in the opening timeline watching Ki-su and Choon-Sim's emotional breakup, serving as a brief flashback character with no further involvement in the main plot. Detective Seo (played by Ko Chang-seok) appears in Quick.
A police detective leading the investigation into the initial office building explosion. He analyzes CCTV footage and identifies Ki-su as a primary suspect, actively pursuing him and Choon-Sim throughout their delivery run while trying to prevent further attacks. Aikawa Masaaki (played by Jeon Kuk-hwan) appears in Quick.
Detective Park (played by Kim Byong-chul) appears in Quick.
Wanatabe Junichi (played by Kim Tae-woo) appears in Quick.
Advertiser (played by Bae Jang-su) appears in Quick.
Quick (2011) character relationship network mapped with AI analysis. Explore the connections, alliances, and conflicts between characters.
Characters
Han Ki-Soo
(played by Lee Min-ki) — protagonist
A former teenage biker leader turned bike messenger in 2010. He accidentally places an explosive-rigged helmet on his ex-girlfriend while driving her to a concert. Forced by a mysterious caller to del...
Choon-Sim
(played by Kang Ye-won) — protagonist
The former girlfriend of Ki-su, now a popular idol and lead vocalist for the girl group OK Girls. After accepting a helmet from Ki-su, she discovers it is rigged with an explosive. Trapped in the devi...
Kim Myung-Sik
(played by Kim In-kwon) — supporting
A biker from 2004 who harbors unrequited feelings for Choon-Sim. He is only seen in the opening timeline watching Ki-su and Choon-Sim's emotional breakup, serving as a brief flashback character with n...
Detective Seo
(played by Ko Chang-seok) — supporting
A police detective leading the investigation into the initial office building explosion. He analyzes CCTV footage and identifies Ki-su as a primary suspect, actively pursuing him and Choon-Sim through...
Aikawa Masaaki
(played by Jeon Kuk-hwan) — supporting
Detective Park
(played by Kim Byong-chul) — supporting
Wanatabe Junichi
(played by Kim Tae-woo) — minor
Advertiser
(played by Bae Jang-su) — minor
Miss Lee
(played by Kim Eun-ok) — supporting
Dae-mang Gang Member 2
(played by Jo Kyung-hyun) — minor
Engineer
(played by Jang Myung-kap) — minor
Kindergarten Teacher
(played by Park Ji-yeon) — minor
Team Leader
(played by Kim So-jin) — minor
Bike Enthusiast
(played by Kim Jae-hwa) — minor
Daemang Chief
(played by Lee Hee-jun) — minor
Park Dal-yong
(played by Oh Jung-se) — minor
Jung In-Hyuk
(played by Yoon Je-moon) — supporting
Lee Do-hyeong
(played by Yoo Seung-mok) — supporting
Kim Joo-cheol
(played by Don Lee) — supporting
Kwak Han-soo
(played by Song Jae-ho) — supporting
Story Analysis
A bike messenger and his ex-girlfriend are forced to complete timed bomb deliveries while evading police pursuit.
