My Secret Partner— Full Cast

Kim Young-ho

as Joon-seok

Kim Hye-sun

as Hee-sook

Kim San-ho

as Min-soo

Yoon Chae-yi

as Yeon-hee

Joo-hee Jeong

as Soo-jin

Kim Yeong-hun

as Audio engineer

Lee Yang-hee

as Manager Kim

Moon Ji-Young

as Sang-Mi

Sim San

as Director Sim

Park Do-gyu

as University Student