Woman of 9.9 Billion

Ok Ye Rin

as Lee Yoo Ri

Pemeran Pembantu

Seo Hyun Chul

as Oh Dae Yong [Ceo]

Pemeran Pembantu

Yoo Young Jae

as Kim Suk [Hacker]

Pemeran Pembantu

Shin Su Hyun

as Ji Ha Na [Bartender]

Pemeran Pembantu

Yang Hyun Min

as Kim Do Hak

Pemeran Pembantu

Kim Do Hyun

as Seo Min Gyu [Executive director]

Pemeran Pembantu

Kim Seung Wan

as [Policeman]

Bintang Tamu

Jang Eui Don

as [Korean-Chinese guy] (Ep. 18)

Bintang Tamu

Yang Seung Ri

Bintang Tamu

Han Sang Chul

as [Key repairman]

Bintang Tamu

Jeon Jeong Il

as [Factory president]

Bintang Tamu

Kim Dae Kook

as [Police officer]

Bintang Tamu