- Lee Bong-gyu
- Head Monk (segment "Heaven's Creation")
- Choi Deok-moon
- Chief (segment "A Brave New World")
- Ma Dong-seok
- High school zombie (segment "A Brave New World")
- Bae Doona
- Min-seo (Older) (segment "Happy Birthday")
- Choi Gwi-hwa
- Removal Team (segment "Heaven's Creation")
- Kim Gyu-ri
- Bodhisattva Hye-Joo (segment "Heaven's Creation")
- Park Hae-il
- In-Myung (segment "Heaven's Creation")
- Hwang Hyo-eun
- Yoon Hwa-yoo (segment "A Brave New World")
- Jung Jae-jin
- Spiritual Leader (segment "Heaven's Creation")
- Yun Je-mun
- Joo Je-moon (segment "A Brave New World")
- Jin Ji-hee
- Min-seo (segment "Happy Birthday")
- Bong Joon Ho
- Lee Joon-ho (segment "A Brave New World")
- Ko Jun-hee
- Kim Yoo-min (segment "A Brave New World") / Weathercaster (segment "Happy Birthday") (as Jun-hee Ko)
- Lee Kan-hee
- Mom (segment "A Brave New World")
- Kim Kang-woo
- Robot repairman Park Do-won (segment "Heaven's Creation")
- John D. Kim
- Former NASA Researcher (segment "Happy Birthday")
- Kim Kyeong-ik
- AD Notebook Moderator (segment "A Brave New World")
- Kim Mu-yeol
- Ji-ho (segment "A Brave New World")
- Kim Roe-ha
- Dad (segment "A Brave New World")
- Song Sae-byeok
- Min-Seo's uncle (segment "Happy Birthday")
- Yun Se-ah
- Min-Seo's mother (segment "Happy Birthday")
- Kim Seo-hyeong
- General Manager Min (segment "Heaven's Creation")
- Ryu Seung-beom
- Suk-woo (segment "A Brave New World")
- Lee Seung-joon
- Min-Seo's father (segment "Happy Birthday")
- Ryu Seung-su
- Male Announcer (segment "Happy Birthday")
- Jung Woo
- Joong-dong (segment "A Brave New World")
- Song Young-chang
- Co. President Kang (segment "Heaven's Creation")
- Jo Yun-hie
- Ji-Eun (segment "Heaven's Creation")
