The Line of Duty season finale might not have been what everyone wanted, but you have to say the season delivered seven hours of compulsive television. While the Big Three - Ted, Kate and Steve - were all crucial to making the season memorable, there were also a number of memorable performance from supporting characters.
But how well do you remember their names? Take this quiz, which asks you to identify seventeen supporting characters from Season 6.
Ace it and we'll know you're AC-12 material. Fail it and we'll know you're bent.