10 Sweet Smiles Portraits of 'THE KING: ETERNAL MONARCH' Cast Behind the Scenes, Ready to Say Goodbye?

Lee Min Ho, who plays Emperor Lee Gon of the Korean Empire, is a quiet and charismatic figure. But on the filming location, he smiles so sweetly.

Lee Min Ho looks radiant while shooting with Kim Go Eun. It's hard to believe that the story of this couple, who display strong chemistry, will end soon.

Kim Go Eun's bright smile becomes a vitamin for everyone on the shooting location. She also took a selfie with Kim Kyung Nam during the break.

Kim Kyung Nam, who plays Kim Go Eun's colleague, looks masculine in the drama. Behind the scenes, Kim Kyung Nam likes to make other actors laugh with his jokes.

Woo Do Hwan plays a dual role in the drama. Although he appears cold in front of the camera, he is actually very adorable on the shooting location.

The bromance chemistry between Lee Min Ho and Woo Do Hwan suits their characters perfectly. Both of these characters will surely be missed by the audience of THE KING: ETERNAL MONARCH.

Jung Eun Chae successfully played the role of the youngest and first female prime minister in the Korean Empire, Goo Seo Ryung.

Jung Eun Chae, who received praise for her performance as an ambitious character, also smiled widely outside the shooting process.

The character of Lee Lim, the killer and Lee Gon's father's brother, is the most intense character in Lee Jung Jin's 22-year acting career.

Although Lee Jung Jin has already made the audience shudder with his acting in the drama, he looks sweet with his wide smile while taking a selfie with other cast members.