These new submissions were directed by the Kim Ki-duk born in 1934 (https://www.criticker.com/people/Ki_duk_Kim_ii/), but link to one born in 1960:
Maybe you could automatically add a note to submissions that contain a duplicate name for them to be manually checked by moderators before being approved.
Encounter an error, or something which isn't working correctly? Please, let us know
Thanks, we've made those updates!