Wonbin and director Bong Joon Ho will be in Cannes on May 16th as their movie 'Mother' is in the official selection 'Un Certain Regard'. So whoever will be there will be able to meet Wonbin!
Here is the official screening for Mother in Cannes:
May 16, 14:00 "Mother" press screening (press conference after screening)
May 16, 22:00 "Mother" the official premiere
May 17, 17:45 "Mother" day after screening