biography lance bass, steve-o, mark dacascos, kyle massey, mike catherwood, cheryl burke, maksim chmerkovskiy, tony dovolani, derek hough, julianne hough, chelsie hightower, louis van amstel, mark ballas, anna trebunskaya, edyta sliwinska, karina smirnoff, alec mazo, kym johnson, ashly delgrosso, jonathan roberts, dmitry chaplin, corky ballas