Zhou Heung Kong (Anthony Wong) runs the film projector in a Hong Kong cinema and staunchly embraces a left-wing viewpoint. Dedicated to his work, he screens movies over the course of decades, while also witnessing turbulent events of the times, including riots and other indicators of social change.
| Actor | Role |
|---|---|
 Anthony Wong Chau-SangZhou Heung Kong | Zhou Heung Kong |
 Ronald Cheng Chung-KeiZhou Chong | Zhou Chong |
 Teresa Mo Shun-KwanChan Sau Ying | Chan Sau Ying |
 Karen Mok Man-WaiLuk Min | Luk Min |
 John Shum Kin-FunLuk Yau | Luk Yau |
 Nina Paw Hei-ChingLee Choi Ha | Lee Choi Ha |
 Andrew Lin HoiChow Kai Chun | Chow Kai Chun |
| YYang GangSecretary Jia | Secretary Jia |
 James Ha Chim-SiNot listed | Not listed |
| TTse Wai-KitNot listed | Not listed |