Main •
Ha Seok-jin as Kim Ji-woon, a man from a prominent family who ends up working as a housekeeper. •
Bona as Im Da-young, an ambitious intern at an advertising company who tries to become a full-time employee and inherited both a house and a debt from her father. •
Lee Ji-hoon as Kwon Jin-kook, a skilled lawyer with a wealthy background. •
Go Won-hee as Yoon Sang-ah, a jewelry designer. •
Jeon Soo-jin as Kang Hye-joo, an accessory seller who has a complicated relationship with her boyfriend. •
Seo Eun-ah as Han So-mi, a nail shop owner who is scared of men after going through a traumatic event in the past.
People around Da-young •
Yoon Joo-sang as Jang Yong-geon • as Da-young's Team Leader •
Lee Min-young as Ahn Jin-hong •
Im Ji-kyu as Oh Yoon-gi • Kim Min-seok as Seo Ho-gi • as Baek Jang-mi • Inoa as Choi Na-ri
Others •
Lee Do-gyeom as Bang Cheol-su •
Kim Seon-ho as Yong-joon (cameo) ==Production==