'They're friends. They need each other and love each other more than they realise' - John Simm
'Quinn is the most removed in many respects. If anyone's going to start afresh he's the best equipped' Phil Glenister
'We've been so fortunate with this job. There wasn't a day that we didn't pinch ourselves.We're incredibly close friends (in real life). We speak and email each other at least once a week - Max Beesley
'Cape Town is such a beautiful city. It was nice to show it off. I fell in love with South Africa' - Phil Glenister
'I went running for an hour with my top off. I wouldn't do that again'
'The fourth series picks where the third leaves off. It spirals out of control' - Cris Cole
We now have an audio recording of the Q&A (Warning: This interview contains spoilers)