character - Ha Do-yun

character - Jung Ji-hun

character - Seo Eun-kang

character - Space & Aeronautics Admin, rookie

character - Choi Byung-tae

character - Gu Eun-ho

character - Young-bae (voice)

character - Lee Soo-woong

character - Hyun-sung

character - Yi-wan

character - Ho-yoon