Spooks: The Greater Good

Joining Firth and Harrington in this espionage mix are Tuppence Middleton, an actress with previous in this field with MI5 thriller Cleanskin, Spooks veteran Tim McInnerny (Oliver Mace in the show), and World War Z’s ill-fated doctor Elyes Gabel. Jennifer Ehle will also star, but will there be a reappearance from Matthew Macfadyen as old fan favourite Tom Quinn, last seen in the garb of a private contractor? Nalluri isn’t ruling it out. “We brought him back in the very last episode of the last season,” he hedges. “Make of that what you will...”

The Greater Good sounds as suspenseful as ever as terrorist Adam Qasim escapes from under MI5 noses during a handover to the head of counter-terrorism. Pearce takes the flack, but then mysteriously disappears one night off a bridge into the Thames, leaving his protégé, Will Crombie, to help uncover a conspiracy extending from Vietnam to the Mediterranean. Meanwhile, back home a devastating attack on London is imminent. It's stressful stuff...