The Knock is a British television drama series, created by Anita Bronson and broadcast on ITV from 1994 to 2000, which portrayed the activities of customs officers from Her Majesty's Customs and Excise. The series derived its name from the distinctive "Knock knock knock" command used over the radio to synchronise a raid.

The Knock (1994)
01h 00m
Overview
Top Billed Cast
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Andrew Dunn
(38 episodes)

Caroline Lee-Johnson
(38 episodes)

Malcolm Storry
(38 episodes)

Anthony Valentine
(38 episodes)

Claire Price
(8 episodes)

Dax O'Callaghan
Tim Danson (4 episodes)
JV
James Vaughan
Selinger (2 episodes)

Colin Baker
(1 episode)

Rik Mayall
(1 episode)