Ron is an astronaut living in Belgium, his girlfriend Lisa still lives in China. Set against the backdrop of the university riots in Hong Kong, The Astronaut shows a long distance relationship being put to the test.
| Actor | Role |
|---|---|
| PPatrick NgRon | Ron |
| IIsabella LeungLisa | Lisa |
 Anemone ValckeLeslie | Leslie |
 Aaron WanMing | Ming |
| RRasim AsanBülent | Bülent |
| TTom CleymansPrem | Prem |
 Livia PerneelBlondie | Blondie |