When Martin Clunes first graced television screens as grumpy Doc Martin , who could have believed the grouchy, grumbling GP would have become such a popular character? Who could warm to a guy apparently suffering a form of Asperger's syndrome, whose … However, it seems that the locale for the series might be the real star. Viewers the world over have fallen in love with the village of Port Isaac (the real town), nestled among cliffs on the North Cornwall coast.