剧情讲述在无重力的宇宙空间站工作的女指挥官与拥有秘密任务的意外访客所展开的太空生活记，也是韩国首部以宇宙空间站为背景的太空职场剧。
Lee Min-ho
Gong Ryong
Gong Hyo-jin
Eve Kim
Oh Jung-se
Kang Kang-su
Han Ji-eun
Choi Go-eun
Kim Ju-hun
Park Dong-ah
Lee El
Kang Tae-hee
Lee Cho-hee
Mina Lee / Dona Lee
Heo Nam-jun
Lee Seung-jun
Alex Hafner
Santiago Gonzalez Garcia
Kim Eung-soo
Choi Jae-ryong
Baek Eun-hae
Na Min-jung
Jeon Soo-kyeong
Jang Mi-hwa
Choi Jung-won
Jeong Young-joo
Jeong Na-mi
