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