โปรดิวเซอร์หน้าใส หัวใจกุ๊กกิ๊ก

Cha Tae-hyun

Ra Joon-mo

Kong Hyo-jin

Tak Ye-ji

Kim Soo-hyun

Baek Seung-chan

IU

Cindy

Im Ye-jin

Park Bong-soon

Kim Hee-chan

Tak Ye-joon

Kim Jong-soo

Baek Bo-sun

Kim Hye-ok

Lee Hoo-nam

Park Hee-von

Baek Jae-hee

Park Jong-hwan

Baek Young-chan

Kang Shin-chul

Myung Ji-hoon

Park Hyuk-kwon

Kim Tae-ho

Kim Jong-kook

Kim Hong-soon

Ye Ji-won

Administrative employee

Ki Joo-bong

Park Choon-bong

Lee Ju-seung

Joon-bae

Lee Chae-eun

Son Ji-yeon

Go Bo-gyeol

Wang Min-jung

Bae Yu-ram

Ryoo Il-ryong

Shin Ju-hwan

Hyung-geun