Yuen Biao as Yen

Moon Lee Choi-Fung as Gigi

Lam Ching-Ying as Lam Ching-Ying

Billy Lau Nam-Kwong as Chicken

Paul Chung Fat as Professor Kwok Tun-Wong

Pauline Wong Yuk-Wan as Mother Vampire

Woo Fung as Mr. Hu

Ka Lee as Sashimi

James Tien Chun as Officer Tien

Cheung Wing-Cheung as Father Vampire

Wu Ma as Mr. Hu's Neighbor

Stanley Fung Shui-Fan as Archaeologist

Manfred Wong Man-Chun as Coroner

Walter Tso Tat-Wah as Police Chief

Yeung Ming as Ying

Yiu Yau-Hung as Fireman Ng Lien-Sui

Ho Kin-Wai as Little Vampire

Hon To-Yue as Chia-Chia

Choi Man-Gam as Chia-Chia's Brother

Hsiao Ho as Lab Tech (uncredited)

Lee Chi-Kit as Ping (uncredited)

Lam Kwok-Hung as Police Officer (uncredited)

Yuen Miu as Police Officer (uncredited)

Pan Yung-Sheng as Man at Traffic Checkpoint (uncredited)