From two different worlds and with separate missions, an astronaut and a space tourist entangle in space — only to start falling for each other.
as Gong Ryong
as Eve Kim
as Kang Kang-su
as Choi Go-eun
as Park Dong-ah
as Kang Tae-hee
as Mina Lee / Dona Lee
as Lee Seung-joon
as Santiago Gonzalez Garcia
as Choi Jae-ryong
as Na Min-jung
as Jang Mi-hwa
as Jang Mi-hwa
as Jeong Na-mi
as Han Si-won
as Ma Eun-soo
as Jeon I-man
as Choi Dong-hoon
