LINE of Duty’s Martin Compston and Adrian Dunbar were pictured suited and booted on set as they filmed series six.
The two actors got back to work on the hit BBC crime drama in Belfast on Sunday as they worked on a new scene.
Martin – who plays DS Steve Arnott – looked dapper in a dark blue three-piece suit and a purple tie as he headed out of police headquarters.
Meanwhile Adrian – otherwise known as Superintendent Ted Hastings – was in his full police uniform.
Things looked serious as the two men stepped out as they tried to get to the bottom of the mystery of who ‘H’ is.
In between takes, Adrian, 61, wrapped up against the cold in a large puffer coat while Martin wore a shorter version.
Their co-star Vicky McClure was nowhere to be seen for these scenes but last week she posed for a funny picture with her pals which was shared on social media by the show’s creator, Jed Mercurio.
Martin, 35, and Vicky, 36, pointed a gun at each other in the middle of the office while Adrian Dunbar – who some fans think could be H – lay ‘dead’ on a chair between them.
As the Superintendent lies prone on the chair, a huge white H is propped up against his knees.
Jed captioned the funny shot: “A great first week of filming #LineofDuty Series 6 @BBCOne @worldprods with @martin_compston @Vicky_McClure Adrian Dunbar.
“Here’s a publicity shot that’s been approved 100% spoiler free by @bbcpress.”
Fans were loving the cheeky snap, with one tweeting: “this is the best photo to ever exist.”
Another wrote: “Brilliant- I love how you guys have so much fun filming x”.
A third agreed, writing: “H for hilarious.”