Jung_E

Kang Soo-youn

Seohyun

Kim Hyun-joo

Jung_E

Ryu Kyung-Soo

Sang-Hoon

So-yi Park

Yoon Seo-hyun (young)

Na Ho Sook

Seo Hyuns grandmother

Lee Dong-Hee

Chairman

Lee Ga-Kyung

Researcher

Uhm Ji-won

Lee Se-yeon

Yun Ki-Chang

Researcher

Min-jae Shin

Researcher

Seon-hyeok Kim

Researcher

Tae-joon Kim

Buffet staff

Woo-Yeol Han

Jae-Kyung

Yeong-Soon Son

Jung_E (old)

Jennifer Sun Bell

Se-yeon

Esther K. Chae

Seo-hyun

Will Choi

Min-Jae

Andrew Grace

Additional cast