Son Chang-min

Han Moo-chul - Owner of the Daewon Building.

Han Moo-chul - Owner of the Daewon Building.

Kang Baek-san - Ba-da and Tae-poong's heartless father. He is the main antagonist of the story. He plotted to kill Ba-ram's father to steal his wealth and company. He is blinded for his obsession to power and money that he is willing to hurt his children to hide his crimes.

Wi Gi-yong, Wi Seung-hyun's respected father who is a high ranked police officer.

King Hwijong

Goo Pil-mo

Kang Man-hoo

Lee Moon-hak

Jung Chang-gi

Namgung Young

Min Hong-ki

Oh Geum-sung

Lee Myung-hwan

Seo Jae-myung

Oh Jong-ki

Jung Yong-joon

Shin Don Kim Kyung-hwan as young Shin Don

Mun Dong-kyu