Hospital Playlist 1 and 2.

When it comes to his doctoring, he wears his heart on his sleeve. He loved his patients so much that thier pain were his pain and thier healing, his healing. He is that doctor who you can predict how well his patients are doing based on his mood alone.

I liked his romance too, but his doctoring I like more. There's an aspect of Ahn Jung-won's romance that captivates me. He is very adept at loving at a distance. Make no mistake, it doesn't mean he loves the other less. He went all in worrying about the woman he likes while keeping a very good distance, I don't know if he was sure that it was love or care but it felt like he was a dependable human.

Hospital Playlist, hands down.

WHAAAT?! You can’t do this to me! I pick ALL! ALL!
Well, since my memory is shit, I’m gonna with The Interest Of Love, I know I haven’t finished it yet. But it’s got everything okay?
Especially his hot intense sport scenes!
But still why are you making me choose!!! 😭

How can it be anything but ‘Mr Sunshine’? Goo Dongmae was my first KD male tragic protagonist or rather antagonist and I’ll love him warts and all for ever and a day.

Mr Sunshine! No hesitation for this one!

He was so charismatic, handsome, touching, menacing, wounded, smart, nice, funny in this role. Dong-Mae's story was so tragic 😥

Yoo Yeon-Seok had chemistry with every character in the show.

Otherwise, I really liked him in the movie Mood of the Day with Moon Chae-Won.

I will never forget the kiss scene in Dr Romantic 1 with Seo Hyun-Jin neither.

Dong Mae's complexity and rough edges carried me through Mr. Sunshine. And let's be honest, the hair didn't hurt. I'd love to see him in another sageuk.

I am afraid to say, I've only SEEN one... pfffffft... so...

Noooooooo! I can’t decide betweeen Mr.Sunshine, Hosplay and Interest of Love.

But given the pain and hurt he made me feel in yesterday’s episode I will choose ‘Interest of Love’ .
He was just so darn brilliant in the last few episodes.

Hospital Playlist, although he was really squishy in the Reply 1994. I have never seen Mr. Sunshine, but most of his roles that I have seen have been squishy. However, I special nod to Romantic Dr. Kim season 1. He was great in that too.

It is hard to choose only one since Yoo Yeon-Seok excels in whatever role he is in.

But I think I will go with Mr Sunshine since that character was really complex. At times I would sympathize with his back story, while at others I get mad at him. One scene I can't seem to forget is when he cut off the female lead's hair. His feelings for her were as complex as his character. Still his chemistry with all the other characters was felt spot-on.

I loved Yoo Yeon-seok in Hospital Playlist ♥

Best Performance: Dong-mae, hands down. I haven't seen "Narco Saints," but it sounds like his character in that one is less wholesome and likeable than many of his others, but Dong-mae stands out to me as his most complicated and interesting "dark" character and thus, performance. Part of why I liked but did not love that drama is precisely because I could not stop wanting the FL to end up with Dong-mae, even though I knew she never, ever would feel anything romantic for him. But that scene where he honors her parents in the church just killed me. YYS is amazing in this drama; he packs so much meaning and longing and intensity in a casual turnaround glance (of which there are many in his scenes) and shows incredible range. In fact, some of the best parts of his performance are the humorous bromance bonding scenes. And of course, him carrying the hotel owner on his back at the end--my heart broke into a million pieces with every step he took.

Best Character: This a tie between his characters in HP and Reply. I agree with quirkycase that he has a knack from playing what could be a boring, one-note, nice guy with so much depth that it's impossible not to love him. I have never seen him in a BTS, interview, or variety show (I make an effort not to go down these rabbit holes or I fear my whole life would be consumed with kdrama stuff, lol), but his performances in these types of roles are so believable that I cannot imagine that IRL he's not a decent, kind-hearted person.

Whenever my hubby and I see him on screen, we still call him Goo Dong Mae. Even when I watched HP 1 and 2, I still refer to him as Dong Mae.

I have to go with hospital playlist. I haven't seen all of his dramas but he was stand out in this one. Plus, I am a nurse so I like hospital settings.

Mr. Sunshine! There is nothing like a tragic swordsman...

Mr. Sunshine - Gu Dong Mae

I remember almost crying when I went inside his dojo in the Mr. Sunshine Studios in Nonsan. Huhu.

He was so cute in Answer Me and I am one of those who drowned in that ship. After the heartache, I never shipped any lead-second lead pairing.

Goo Dong-mae in Mr. Sunshine. He was perfect!

Definitely Mr. Sunshine for me, but then I haven't seen all of his dramas. He took what could have been an unlikeable character in less talented hands, and turned him in to a sympathetic one. You may not have always liked Goo Dong-mae's actions, but you always felt something for him, and in the end he'll break your heart. I think he's one of those few actors that you always believe, no matter what role he's playing.

I'll be honest. I only finished Mr Sunshine for Kim Min Jung and, maybe I'm wrong because I can't remember much, but Chil Bong stayed in my memories as an annoying SL, sooooo Hospital Playlist or Romantic Doctor Kim. Probably HP.

Oh guys you are being cruel at this point! How will I ever pick from one of his?! He is a phenomenal actor and I’m always peeved at k entertainment industry for taking sooooo long to give his proper leading man status and good roles. He is absolutely killing it in his latest drama - such a veteran method actor! If I do have to pick just one, which I don’t wanna do but will, it would be hospital playlist! And interest of love and chilbongie and Mr sunshine (I only watched this drama because of him! Only thing that made the lacklustre primary leads watchable).

HOSPITAL PLAYLIST 1. YYS should not have appeared in 2 because he was supposed to be in Rome studying to become a priest and become Fr. Ahn. I know I am in a distinct minority here but I never bought into his romance arc.
Non drama out of competition—YYS’s COFFEE FRIENDS (2019) on tvN was a joy and my first reality show. Highly recommend if you can find it somewhere.

He looks so good and dark as Dong Mae. Curious about his role... Don't care for the whole drama though. XP

I liked him in Hospital Playlist, but oh wow, really liking him in The Interest of Love. Funny how I gradually grew fond of his character.

I wasn’t invested in who got the girl in Reply and honestly thought Chilbongie was pretty bland but he did give me my favorite moment in the drama, let’s see if I can describe it. He and the FL are eating some pastries which he says he got at a new shop. She asks the name of the bakery and he says he’s not sure, it’s something about a dinosaur, like ‘tooslessjaurus’. Best PPL (Tous Les Jours) ever. 🦖

I don’t even know. I never saw Reply 1994, so that’s out. But between the other two? It’s a coin toss. Sword to my neck, Dong Mae? Mr. Sunshine! Mr. Sunshine! All kidding aside, this brooding character takes it all eventually. Tragic and beautiful. Sweet and soulful. The range he shows is unparalleled.

I need to watch more of his performances because he's amazing in The Interest of Love. Watching his tender heart being stomped on again, and again is unbearable, and irresistible.