Main •
Seo Ha-joon as Woo Ji-hwan : A
dirt spoon lawyer, who has a secret to hide in the face of his family's misfortune. •
Lee Young-eun as Baek Joo-hong :The daughter of Sang-gu and Haeng-ja. Woo Ji-hwan's first love and a bright and warm-hearted emergency medicine resident. •
Kim Jung-heon as Nam Tae-hyung :Sook-jin's son. Seoul Central District Prosecutor's Office Criminal Division 1 Prosecutor. •
Kang Byul as Nam Tae-hee : Sook-jin's daughter. Wide Marketing Department Manager. •
Lee Seung-yeon as Ham Sook-jin :Nam Tae-hyung and Nam Tae-hee's mother. Wide Representative. She can do anything for his son.
Supporting Ji-hwan's house •
Yoon Bok-in as Kim Kyeong-seon : Ji-Hwan's mother. •
Yoon A-jung as Woo Min-young : Ji-hwan's older sister. • Park Ye-rin as Woo Sol : Ji-hwan's daughter. •
Ahn Yong-joon as Heo Jin-ho : Ji-hwan's employee and assistant.
Tae-hyung's house •
Jang Hang-sun as Nam Heung-sik : The largest building owner, and honorary chairman of Wide. •
Bang Eun-hee as Yoo Gwang-mi : Heung-sik's primary care nurse. • Jo Yu-shin as Yang Man-su : Butler of Nam Heung-sik's family.
Scarlet house • Park Chung-sun as Baek Sang-goo :Joo-hong's mother and Sang-goo's wife. ==Production==