When Chen Kuo-fu was filming Double Vision, Taiwan's lack of explosives, special-effects and make-up technicians forced him to bring in large numbers of people from Hong Kong, the US and Australia.
陳國富在拍攝《雙瞳》時，由於台灣缺乏爆破、特效、化妝等方面的技術人才，只得大量引進香港、美國，及澳洲等地的技術人員。