Yes, there are tourists
There is a budding tourism business in the Hermit Kingdom, despite the fact that obtaining a tourist visa is very difficult. An increasing number of Japanese, Chinese, Europeans, and even Americans will travel the nation in an attempt to peep behind the curtain of secrecy.
When visiting North Korea, you can distinguish between actors and non-actors because the former will mingle and respond to inquiries from tour guides, while the latter will simply gaze at you in amazement.