 Yuen BiaoYen | Yen |
 Moon LeeGigi | Gigi |
 Lam Ching-YingLam Ching-Ying | Lam Ching-Ying |
 Billy Lau Nam-KwongChicken | Chicken |
 Paul Chung FatProfessor Kwok Tun-Wong | Professor Kwok Tun-Wong |
 Pauline Wong Yuk-WanMother Vampire | Mother Vampire |
 Woo FungMr. Hu | Mr. Hu |
 Ka LeeSashimi | Sashimi |
 James Tien ChunOfficer Tien | Officer Tien |
 Cheung Wing-CheungFather Vampire | Father Vampire |
 Wu MaMr. Hu's Neighbor | Mr. Hu's Neighbor |
 Stanley Fung Shui-FanArchaeologist | Archaeologist |
 Manfred Wong Man-ChunCoroner | Coroner |
 Walter Tso Tat-WahPolice Chief | Police Chief |
| YYeung MingYing | Ying |
| YYiu Yau-HungFireman Ng Lien-Sui | Fireman Ng Lien-Sui |
| HHo Kin-WaiLittle Vampire | Little Vampire |
| HHon To-YueChia-Chia | Chia-Chia |
| CChoi Man-GamChia-Chia's Brother | Chia-Chia's Brother |
 Hsiao HoLab Tech (uncredited) | Lab Tech (uncredited) |
 Lee Chi-KitPing (uncredited) | Ping (uncredited) |
 Lam Kwok-HungPolice Officer (uncredited) | Police Officer (uncredited) |
 Yuen MiuPolice Officer (uncredited) | Police Officer (uncredited) |
 Pan Yung-ShengMan at Traffic Checkpoint (uncredited) | Man at Traffic Checkpoint (uncredited) |
