I got married on Castaway Cay (Dream ship) in November and had Cornel as my hair stylist; he was fabulous! As the pp stated, the cast members are contracted for only a few months at a time (some may extend their contracts), so there's no guarantee of who will be there when your wedding takes place. Also, I'm pretty sure I was pre-assigned someone, because they told me who would be doing my hair a couple days before the wedding when I went to check out the salon.
I also have pretty long hair and knew I wanted to incorporate braids somehow, and this was what Cornel came up with: