Main VIP Team •
Jang Na-ra as Na Jeong-seon : Wife and colleague to Park Seong-joon. She is from an affluent family and got a high-level job at Sung Un Department Store without much difficulty, after graduating from a prestigious university. •
Lee Sang-yoon as Park Seong-joon : The team leader of Sung Un Department Store's VIP Management Team and Na Jeong-seon's husband. •
Lee Chung-ah as Lee Hyeon-ah : A professional and fashionable section chief of VIP Management Team. She has recently returned from a year off work due to a former scandal with her boss, who was in charge of HR. •
Kwak Sun-young as Song Mi-na : A working mother of two young sons who had missed a few promotions due to multiple maternity leaves, despite having worked for six years in the company. •
Pyo Ye-jin as On Yoo-ri : She comes from a poor family and fights for survival. She becomes the center of office gossip after landing a job at Sung Un Department Store's VIP Management Team. Her hiring caused the team members' lives to change. •
Shin Jae-ha as Ma Sang-woo : A new employee at the VIP Management Team. He has been brought up in comfortable surroundings, with a prestigious education.
Supporting Sung Un Department Store •
Jung Joon-won as Cha Jin-ho • Lee Jae-won as Lee Byeong-hoon, Mi-na's husband • Park Sung-geun as Ha Jae-woong •
Jang Hyuk-jin as Bae Do-il • Cho Seung-yeon as Ha Young-woong •
Lee Jin-hee as Kang Ji-young
Others •
Kim Mi-kyung as Key Mi-ok • Choi Hong-il as Na Young-chul •
Jung Ae-ri as Han Sook-young •
Sora Jung as Han Sook-ja •
Bae Hae-sun as Gil-ja •
Jang Hyun-sung as Jang Jin-chul •
Yoon Ji-on as Kim Min-ki •
Oh Se-young as Han So-mi • Jeon Hye-jin as Lee Byung-eun
Special appearances •
Oh Ah-rin as Ha Rim • Bae Hae-sun as a nouveau riche VIP customer •
Kim Yu-bin as Cha Se-rin •
Seo Woo-jin as Seo-jin •
Soy Kim as Ria •
Lee Ki-chan as Daniel • Shim Hee-sub as Chef Michael ==Episodes==