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Martin Compston shares Line of Duty pranks with co-star Vicky McClure

The two leads of the BBC's hit cop drama Line of Duty seem to spend a lot of time between takes playing pranks on each other. Martin Compston, who plays the waistcoated Steve Arnott in the show, seems more immune to the jump scares than Vicky McClure, who plays Kate Fleming, as demonstrated in this video shared online.