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)