Kim So-yeon

Production Design (16 eps)

Kim Seon-wung

Stunts (16 eps)

Yoon Jong-ho

Director (16 eps)

Kwon Hyuk-chan

Director (16 eps)

Lee Eung-bok

Director (16 eps)

Yoon Ha-lim

Executive Producer (16 eps)

Bae Jin Young

Vocals (16 eps)

Chanyeol

Vocals (16 eps)

Roy Kim

Vocals (16 eps)

Eddy Kim

Vocals (16 eps)

Urban Zakapa

Vocals (16 eps)

Heize

Vocals (16 eps)

Sam Kim

Vocals (16 eps)

Nam Hye-seung

Original Music Composer (16 eps)

Soyou

Vocals (16 eps)

Ailee

Vocals (16 eps)

Kim E-Z

Vocals (16 eps)

Kwon Jeong-yeol

Vocals (16 eps)

Jung Joon-il

Vocals (16 eps)

Lasse Lindh

Vocals (16 eps)

Han Soo Ji

Vocals (16 eps)

Kim Eun-sook

Writer (16 eps)