Alexander(Allen) Lee Thatcher

- 21 years old

- Half British-Korean

- The youngest professional -and famous- lawyer in a large international law firm in England.

- Often mistake as a teenager due to his very young face. 

- Because of his young age, he sometimes handle Agnes like a friend, sharing out latest/old songs and making mess at the house. Despite being so young, he educate Agnes in much advance level till Agnes turns into a smarty pants. 

- A very smart prodigy.

- A brat, a very feisty spoil brat. But not in front of the children of course.

Lu Han

- 26 years-old

- Chinese

- Founder and CEO of his company; Han Constructing Group

- Strict, cold and serious but overall, he's really a huge marshmallow.

- Secretly in love with Donald Duck.

- Very handsome

Agnes Lee Thatcher

- 6 years old

- Half British/Dutch-Korean

- She is very smart, sweet, and graceful -thanks to Allen excellent way of teaching kids- but also can be quite a stuborn 'brat' -also comes from Allen.

- A very beautiful child.

- She's different from other child her age. She likes watching movies and always picks out some random words from it. Sometimes, she picks out some characteristic from the movie too. She likes listening to ballad and classic music -thanks to her teenage father. But despite being so mature, she's still has some childish side on her and that is she likes playing with teddy bears, dolls and watching cartoons -Paddington Bear and Adventure Time-. She also taking Ballet class. 

Sofia Rosette Jung/Jung Soo-Hye

- Died at 16 years old

- Half Dutch-Korean

- A kind, smart, and an elegant lady though a bit of a hard head at side. She is the love of Allen but died after giving birth to Agnes