Gareth Evans is one of the best action directors working today. You may well know him already for The Raid and The Raid 2, but now he's back with a new big Sky Original / NowTV small screen series, Gangs Of London, you'll probably know him for that. In this interview special, Ali speaks to Gareth about putting together his new bold, brutal and bloody crime drama, as well as talking through some of his favourite action films of all time.