No Breathing - Cast

Name	Known for
Lee Jong-suk Woo-sang (as Lee Jong-Suk) Woo-sang (as Lee Jong-Suk) See fewer	Romance Is a Bonus Book (2019)
Seo In-Guk Won-il Won-il See fewer	Reply 1997 (2012)
Kwon Yuri Jung-eun (as Yuri) Jung-eun (as Yuri) See fewer	Fashion King (2012)
Kim Jae-young Dae-chan (as Jae-young Kim) Dae-chan (as Jae-young Kim) See fewer	100 Days My Prince (2018)
Park Chul-min Jae-suk (as Cheol-min Park) Jae-suk (as Cheol-min Park) See fewer	May 18 (2007)
Seon-woo Jae-deok Actor (as Sunwoo Jea Duck) Actor (as Sunwoo Jea Duck) See fewer	Haereul poomeun dal (2012)
Bo-mi Jeon Ha-na Ha-na See fewer	Lifting King Kong (2009)
Park Jeong-cheol Coach Jang (as Jeong-cheol Park) Coach Jang (as Jeong-cheol Park) See fewer	Oh! Happy Day (2003)
Jung Min-sung Announcer (as Min-sung Jung) Announcer (as Min-sung Jung) See fewer	The Man from Nowhere (2010)
Minchul Shin Jung-dong (as Min-cheol Shin) Jung-dong (as Min-cheol Shin) See fewer	Runway Cop (2012)
Ah Young Se-mi Se-mi See fewer	Dream High (2011)
Kim Young-sun Woo-Sang's mother Woo-Sang's mother See fewer	The Chaser (2008)