Great actors

Chief Detective 1958, he has many support and guest roles that are always great.

I haven't seen any of the dramas where he is  a main role, but he is always memorable

Anything really! He is very versatile: Empress Ki & Queen Woo, The K2 & Suspicious Partner, If You Wish Upon Me & Welcome to Samdal-ri, The Sound of Magic.

Pawn, Reply 1988, If You Wish Upon Me, and many more

SKY Castle!

The Hymn of Death, Big Mouth, Doctor Stranger, While You Were Sleeping

Business Proposal, Suspicious Partner

(would like to see more of his older work)

He is great in historical dramas (also as king), and Joint Security Area

Six Flying Dragons! 

He is always a great support role! Six Flying Dragons, Bossam, other historicals

Anything! Hospital Playlist, Haechi, The Hymn of Death, Six Flying Dragons

The Throne, and some other movies

The Throne and Six Flying Dragons

Tree with Deep Roots, Extraordinary Attorney Woo

The Tale of Ok, Welcome to Samdal-ri, and some other dramas

Hotel Del Luna, many other dramas

It's Okay to not be Okay! Extraordinary Attorney Woo, Big Mouth

Hospital Playlist, him in historical roles

Escape! D.P. Extraordinary Attorney Woo

Chief Detective 1958, Reply 1988

Escape. I Can Speak, Chief Detective 1958, Secret Door, 

Chief Detective 1958

Chief Detective 1958

Itaewon Class, What's Wrong with Secretary Kim, Hwarang

Reply 1988, 6/45. the Wacky Willy ads

Eulachacha Waikiki! 6/45

Haechi, Bossam: Steal the Fate

Any and every historical work

Flower of Evil!!! Iljimae, and some others. I still have to watch Moon Lovers

Goblin

In many dramas: Hotel del Luna, The Crowned Clown, Link: Eat, Love, Kill

Tale of the Nine-Tailed, Goblin

Hometown Cha-Cha-Cha

Descendents of the Sun

The Trauma Code

Octogenarian and the 90s, Reset, Justifiable Defense, and more

Sparrow, Joy of Life

Sparrow, Justifiable Defense