Kang Household 
Kang Minhyeok – Father 
Kang Hyesung – Mother 
Kang Daniel – Son 
Kang Jihyo – Daughter-in-law 
Kang Seulgi – Daughter 

Park Household 
Park Sungjin – Father 
Park Youngmi – Mother 
Park Jinyoung – Elder son 
Park Soomi - Daughter-in-law 
Park Chanyeol – Younger son 

Kim Household
Kim Minseok – Husband 
Kim (Bae) Joohyun  – Wife 
Kim Jisung – Son 

Various 
Kim Jihoon - Part of the design department 
Son Seungwan - Just Someone 
Mrs Choi Mina – Owner of Ace Advertising Agency 
Mrs Yun Yeojong  – Personal assistant to Park Chanyeol 
Ms Kim Yerim – Part of the design department 
Mr Lee Jaehyun – Part of the design department 
Ms Park Sooyoung – Part of the design department