Martin Compston: I stood up for Celtic and nearly blew my audition

Martin Compston isn’t a man to let things fly if he doesn’t agree with it. You could say it’s the Greenock boy in him, but when the circumstance arises that he feels someone is speaking untoward, Martin will let you know – especially if that thing is to do with Celtic. Now known for his role in the hit TV police drama Line of Duty, amongst many other roles, the actor has hit the big time...