Remember Spooks? If so, you’re in good company: some 9 million people tuned in to it during its heyday, so the team behind Spooks: The Greater Good, which is released on Friday, certificate 15, must feel they’re on to a winner.
Some familiar faces from the series are back – most importantly Peter Firth as Harry Pearce – but adapting a TV show for the big screen is notoriously full of…