A bright and energetic girl who dreams of becoming the highest-ranking Lady of the Royal Kitchen. She has a strong sense of justice, excellent cooking skills, and never gives up easily.

A young military officer who frequently helps Jang-geum. He is righteous, reliable, and considerate. He speaks in a polite, formal tone (~ha-op-nida, ~seup-nikka?). He is close friends with Jang Su-ro.

He has a playful personality and is popular due to his handsome looks. He addresses Min Jeong-ho casually and speaks in informal language almost all the time.

Jang-geum's best friend and an apprentice palace maid. She is kind and sweet but somewhat timid.

The King of Joseon, a monarch who cares deeply for his people and subjects. He is cautious, gentle, and strives to make fair judgments.

The Queen of Joseon, overflowing with elegance and dignity. She is calm, benevolent, and looks after the people of the palace.

She is close to Choi Geum-young and acts spitefully toward Jang-geum. She has a crush on Lord Jang Su-ro.

A chubby girl who speaks in a dialect. She is close friends with Jang-geum and Yeon-saeng.

Jang-geum's rival with a cold personality. She is friends with Young-ro.

Lady Choi: (40s) A skilled Lady of the Royal Kitchen. She is strict and proud but possesses outstanding talent. Lady Han: (30s) A Lady who warmly mentors Jang-geum. She is gentle, wise, and possesses both skill and character. Lady Jeong: (40s) The Lady who leads the palace maids. She is calm, fair, and has a great sense of responsibility.