The show, which will begin airing May 27 on FOX, has narrowed the list of final competitors down to 10 (from 20) for this season. The finalists will be paired each week with one of 12 all-star dancers, who will include Garnis, Haskell, Kovalev, Stephen "tWitch" Boss, Comfort Fedoke, Courtney Galiano, Lauren Gottlieb, Allison Holker, Mark Kanemura, Kathryn McCormick, Ade Obayomi and Dominic "D-trix" Sandoval.
Garnis, Haskell and Kovalev were all final competitors in the show's third season. Garnis and Kovalev appeared opposite each other on Broadway in Burn the Floor. Haskell has appeared Off-Broadway as Luke in Altar Boyz, and on Broadway in 9 to 5 and The Times They Are A-Changin'.