Then: Dominic West

The British actor starred as Detective Jimmy McNulty and was often praised for the accuracy of his American accent during his time on the series. He told Absolute Radio that it took "a lot of coaching" to hide his lifelong British accent and adapt to his role as a boozy Baltimore detective.

"Whenever I open my mouth in a room full of Wire fans, I'm used to a sort of deflation of like, 'Oh dear, he's not McNulty,'" he said. "It's nice that people thought I was American, otherwise, it wouldn't have worked, would it?"