Lee Jae-yong (actor)

Park Jin

Choi Yeo-hwan

Left State Councillor Yi I-cheom; Dae-yeop's father and Princess Hwain's father-in-law.

President Bang

Jo Heung-gyeon, father of Jo Young-ji; Left State Councillor

Kook Han-joo

Park Moo-sam

Nam Tae-joon

Lieutenant General Choi Ji-ho, Korean People's Army

Yoon Jae-min

Jo Hee-chul, a big-time swindler. (Eps. 7-9)

Song Hak-soo

Kim Sang-hun

Lee Soo-in's homeroom teacher (Ep. 1)

Choi Ji Hoon

Yeom Byung-soo

Park Soo-jong

Wang Go, Prince Yeonan, King Simyang; a Royal Family member and the head of Chirwon Faction.

Lee Yong-jae (ep. 11)

Chun-bong

So-chil

Dong-bi's father

Lee Soon-shin

Choi Kwang-chun

Jo Mal-saeng

Kang Tae-won

Ha U-gyu, minister of military affairs and In-su's father

Hwang Dal-soo

Jang Ik-heon

Gong Sung-jo (Do-ya's boss)

Song Man-deuk

Sang-gon, gangster boss

Oh Jae-bong

Jang Tae-sung, Mi-ran's father

Prime Minister Bu Deuk-bul

Ji-seok's father

Lee Hak-bong

Dok-sa