Main •
Uhm Tae-goo as Seo Ji-hwan, former gangster and current CEO of Thirsty Deer, a food company that hires ex-convicts to offer a fresh start. •
Han Sun-hwa as Go Eun-ha, a prosecutor who maintains a terrible relationship with Ji-hwan.
Supporting Thirsty Deers •
Kim Hyun-jin as Joo Il-young, General Manager. • as Kwak Jae-soo, Customer Management Team leader. • as Jung Man-ho, Management Support and Executive Assistant.
Mi-ho and family •
Moon Ji-in as Gumiho •
Lee Byung-joon as Mi-ho's father, • as Mi-ho's mother • as CEO Ma •
Kim Hyun-joon as Lee Gang-gil •
Shin Su-hyun as Officer Song
Special appearances •
Kim Young-ok as the owner of Hyeon-woo's dumpling restaurant. • as Yoon Hyeon-woo, a civil service exam student who has been preparing for the civil service exam for 10 years. •
Sung Dong-il as Ho Taek •
Wang Ji-won as Ji-won ==Viewership==