Woman of 9.9 Billion

Cho Yeo-jeong

as

Jung Seo Yun

Kim Kang-woo

as

Kang Tae Woo

Jung Woong-in

as

Hong In Pyo

Oh Na-ra

as

Yoon Hee Joo

Lee Ji-hoon

as

Lee Jae Hoon

Yoo Young-jae

as

Kim Seok

Seo Hyun-chul

as

Oh Dae-yong

Jung Sung-il

as

Baek Seung-Jae

Kim Byeong-gi

as

Yoon Ho-sung

Shin Su-hyun

as

Ji Ha-na

Hong In-a

Yang Hyun-min

as

Kim Do Hak