Network: ITV (United Kingdom)
The Knock follows Her Majesty's Customs and Excise officers' lives and their efforts to hunt down the criminals trying to smuggle all sorts of contraband to the UK.CAST:
Barry Christie - Steve Toussaint
Diane Ralston - Caroline Lee-Johnson
Arnie Rheinhardt - Marston Bloom
Bill Adams - Malcolm Storry
George Andreotti - Enzo Squillino Jr.