Maeng Sang-hoon

Go Dong-sang

Park Soon-bae

Eun Ki-jung, Eun Jung-soo's uncle

Yoon Moon-do

Park In-cheol, Park-ha's father

Director Oh

Kim Hak-gu

Oh Ki-taek, Yoon-joo's father and Park Dong-jae's secretary

Kim Goo-sun

Seo Tae-jin

Iljimae's adoptive father

Bae Dae-sung (Young-min's uncle in-law)

Nam Si-cho

Professor Jeong Woon-baek - A physician/supervisor of Royal Garden. As a supervisor of Royal Garden, he wants everyone to stop working that makes Jang-Geum disliked him at first. But later on, she realized how caring and dedicated he is. After healed by Jang-Deok on his tumor, He returned to the palace as the Queen's physician. He also promoted to Queen Dowager's physician after Physician Shin became the King's physician.

Steward Hwang

Coach Jung

Heo Kwang-young

Nam Woo-je