Pemeran The Universe's Star

Suho

as Woo Joo Universe

Pemeran Utama

Ji Woo

as Kim Ha Na / Byul Star

Pemeran Utama

Park Se Mi

as Gak Shi

Pemeran Pembantu

Shin Hyun Soo (신현수)

as Koo Se Joo

Pemeran Pembantu

Han Da Ra

as Yeon So Ri [Doctor]

Pemeran Pembantu

Ko Kyu Pil

as Manager Go

Pemeran Pembantu

Lee Si Eon (이시언)

as Jo Young Ki

Pemeran Pembantu

Joo Jin Mo

as Manager Koo

Pemeran Pembantu

Lady Jane

as Jo Yi Na

Pemeran Pembantu

Lee Ji Hoon

as Representative Eom

Pemeran Pembantu

Lee Dae Yeon

as [Woo Joo's father]

Pemeran Pembantu

Kim Oh Bok

Bintang Tamu

Kim Ji Hyun

Screenwriter & Sutradara