Cast of Twinkle Twinkle

Main cast

Kim Hyun-jooas Han/Hwang Jung-won

Lee Yu-rias Hwang/Han Geum-ran

Kim Suk-hoonas Song Seung-joon

Kim Dong-hoas Kang Dae-beom

Jang Yongas Han Ji-woong

Park Yu-hwanas Han Seo-woo

Jeon Soo-kyeongas Lee Eun-jung

Goh Doo-shimas Lee Kwon-yang

Kim Sang-hoas Park Joong-hyuk

Kim Ji-youngas Go Eun-hye

Jeong Tae-wooas Yoon Seung-jae