Actor Daniel Mays says secrecy around plotlines on Line Of Duty is as tight as it is on Star Wars.
And he should know, having starred in both.
Dan played Danny Waldron in series three of Line Of Duty and got in trouble with producers after nearly blowing one of the series’ biggest secrets on Twitter.
He told followers a major character from series two was returning to the cast.
“Vicky McLure and Keeley Hawes got nominated for Baftas for the second series and I tweeted ‘You can’t move for Bafta-nominated actors in this gig,’ Daniels tells Newsbeat.
“The producer came knocking on the