I need HEPL ]!!

I NEED HELP FINDIG THE NAME OF THIS ACTOR !!!! HE APPEARS IN THIS K-DRAMA     (D-DAY), I'VE SEEN THE ACTOR BEFORE, BUT DON'T KNOW HIS NAME.

IF YOU KNOW HIM , PLEASE TELL ME.

 I love dramas:

He's Lee Sung Yeol.

https://mydramalist.com/people/1412-lee-sung-yeol 

No it's not him, his character has a diffrent name. but thank you very very much !!!!! :)