They both are based of true events and have political ties. Default also has an A list cast as well and both have time skips regarding the end of the movie. They are both great titles but if you want a similarity to The spy gone north, Default is just as close
South Korean Spy male lead.
Both are sent by NIS. But 'Spy Gone North' is about being in North Korea and is based on a true story.
Shares same genre - Thriller and crime
