TitanCon is a SciFi, Gaming and Fantasy convention held in Belfast, N. Ireland featuring several Game of Thrones cast members.
Kristian Nairn (Hodor), Miltos Yerolemou (Syrio Forel), Art Parkinson (Rickon Stark), Aimee Richardson (Myrcella Baratheon) and storyboard artist William Simpson are on the guest list so far. The list may grow more before September.
There is also a coach tour of locations connected to Game of Thrones filming.
Last year Sophie Turner and Maisie Williams were guests, along with several others.