You know what? It happens. ABC is clamping down on loose lips around the network especially after multiple seasons of The Bachelor/Bachelorette being spoiled.
I spoke with a reliable source and I believe this is your pro list for Season 17:
Tyne Stecklein-NEW name. Follow her on Twitter!!!
Troupe: Will perform every episode!
Tyne's Wikipedia bio--Dancer on the ill-fated Michael Jackson This Is It tour, so you know this girl can DANCE!
Tyne's IMDB page
See Tyne in action:
Disclaimer: This is what I was told. We all know things are subject to change and there could be errors here. We all run the risk of that when we publish spoilers. However, my source is solid, so I feel comfortable publishing this list.
Photo Credit: ABC/FlynetPictures.com