Who Joon
Lee Geun-young
JJ / Choi Jae-joon
Oh In-hyung
Go Soo-hwan
Mi-Jung
Seo Ji-hyang
Han Jae-won
Noh Do-yoon
Bae Young-seok
reporter
Choi Hwa-Jin
Choi Hwa-Jin's Colleague
Spigen Receptionist
Who Joon’s Music Producer
Jang Hwa-jeong
Choi Hee-geon
Roy Ahn
Cha Yu-ri
Ra-ra
Gang-yeon
Lee Joo-il
Oh In-hyung’s Manager
