Trainspotting star Robert Carlyle joins Line of Duty cast

"Having been a huge admirer of Jed Mercurio's work for many years, I'm delighted to be given the opportunity to join such an exceptional cast for series seven of Line Of Duty."

— Robert Carlyle , Celebrity

"We couldn't be more thrilled that Robert Carlyle will star in series seven as specialist rifle officer Shaun Massie."

— Jed Mercurio , Celebrity

"Robert Carlyle is one of our greatest actors and the perfect fit for the phenomenon that is Line Of Duty."

— Lindsay Salt , Executive