(省港旗兵第四集：地下通道)

Content: The final entry in Michael and Johnny Mak's Long Arm of the Law series, Underground Express once again tells a story of gangsters versus police, focusing on the difference between how both factions act depending if they're coming from Hong Kong or Mainland China.

Countries:

France

Genres:

Fantasy

Runtime:

100 minutes

Year:

1990

Directors:

Michael Mak Tong-Kit

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Production companies:

Johnny Mak Production Co. Ltd. (HK)

Actors:

Wong Bing

Doggy

Shik

Crews:

Producer

Director

Writer