These are some more that aren’t on MUBI’s database, in order of release:
North Korea: A Day in the Life (2004) http://www.imdb.com/title/tt0450065/
Seoul Train (2004) http://www.imdb.com/title/tt0402492/
Friends of Kim (2006) http://www.imdb.com/title/tt2197933/
The Defector: Escape from North Korea (2012) http://www.imdb.com/title/tt2407504/

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