Baekhyun

-17 years old

- high school student

- during the summer works in Hotel Park, starts as a cleaner but later works as receptionist

Chanyeol

- 28 years old

- Hotel's Park director

Luhan

- 17/18 years old

- high school student

- during the summer works in Hotel Park,  starts as a receptionist but after two weeks moves to hotel's restaurant to work as a waiter

Sehun

- 28 years old

- Hotel's Park restaurant chef

Kyungsoo

- 18 years old

- high school student

- during the summer works as a help worker in kitchen in Hotel Park

Jongin

- 28 years old

- chef in Hotel's Park kitchen

Xiumin

- 20 years old

- college student

-  during the summer works as a receptionist in Hotel Park

Chen

- 29 years old

- waiter in cafe, but later front office manager (reception's chef) in Hotel Park

Tao

- 17/18 years old

- high school student

- during the summer works as a bartender and waiter in Hotel Park

Kris

- 30 years old

- Hotel's Park cafe chef

Suho

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