原振俠與衛斯理

錢小豪

Dr. Yuen Chun Hap

張曼玉

Tsui Hung

狄威

Hak Lung

Chui Sau-Lai

Betsy

徐錦江

Sorcerer Aquala

Chow Yun-fat

Wesley

胡慧中

Su

倪匡

Dr. Yi

楚原

Dr. Chu

Fairlie Ruth Kordick

Chen's girlfriend

Ken Boyle

Professor

王晶

Danny Wong

倉田保昭

Captain Ho

Hsu Shu-Yuan

Anne

惠英紅

Policewoman

汪禹

SDU

爾冬陞

SDU with Bazooka

To Ping-Wai

Lady Chatting with Wesley

林其欣

Lady Chatting with Wesley

吳寧

Miss Asia 1986 with Dr. Yi