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

A young military officer who frequently helps Jang-geum. He is righteous, reliable, and very considerate. He uses formal speech (ha-op-nida, seup-nikka style). 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. Almost all of his speech is informal.

A court lady apprentice and Jang-geum's best friend. She is kind and sweet, but a bit on the timid side.

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

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

A plump girl who speaks in a dialect and 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 court lady of the Royal Kitchen. Strict and proud, but possesses outstanding talent. Lady Han: (30s) A court lady who warmly mentors Jang-geum. Gentle and wise, she possesses both skill and character. Lady Jeong: (40s) The court lady who leads the others. Calm, fair, and highly responsible.

A military officer belonging to the Gyeomsabok (Royal Guard). He is somewhat close with Jeong-ho and Su-ro. He is gentle and handsome.