The following post contains heavy spoilers for the third season of Game of Thrones. If 당신 haven’t read the third book of the ASoIaF series, 또는 당신 당신 don’t wish to know details regarding the third season, then this post isn’t for you.
The leeches attached to Gendry's skin were actually stunt leeches, designed 의해 the Props department to be as realistic as possible. No 동물 (or Joe Dempsie) were harmed in the filming of the scene!