Wonderland

Tang Wei (Bai Li)

Song Duk-ho (Yong-sik's son)

Jang Sung-yoon (Yong-sik's daughter)

Pau Hei-Ching (Hwa-ran)

Park Yeon-woo (Male employee at the airport)

Min Ji-a (Tae-ju's doctor)

Kang Jin-ah (Investigative detective)

Kim Geu-lim (Hae-ri's colleague)

Park Mi-hyun (Hyun-mi)

Jo Hee-bong (Tae-ju's senior on the subway)

Jeon Soo-ji (Jeong-in's colleague on the subway)

Jeon Woon-jong (Senior purser)

Jeong Seong-in (Jeong-in's colleague)

Jang Yoon-jung (Yong-sik's wife)

Darcy Paquet (Danny)

Anupam Tripathi (Hanan)

Bae Suzy (Koo Jeong-in)

Park Bo-gum (Park Tae-ju)

Jung Yu-mi (Seo Hae-ri)

Choi Woo-shik (Kim Hyun-soo)

Gong Yoo (Sung-jun)

Tang Joon-sang (Choi Jin-gu)

Seong Byeong-suk (Song Jeong-ran)

Choi Moo-seong (Lee Yong-sik)

Lee Eol (Hae-ri's father)

Kang Ae-sim (Hae-ri's mother)

Kim Sung-ryung (Gil-soon)

Park Hee-von (Stella)

Son Kyoung-won (Taxi driver)

In the near future, advanced technology allows people to conduct video calls with loved ones that they can't meet any longer in reality.