TV presenters Michael Underwood, Tim Vincent and Natalie Pinkham, sports stars Greg Rusedski and Steve Backley and Hollyoaks actor Chris Fountain will also compete on the third series of the ITV1 ice-skating contest.
The 12-strong lineup will be completed by former Hear'Say singer Suzanne Shaw, Aggie Mackenzie from How Clean Is Your House? and popstar Samantha Mumba.
Phillip Schofield and Holly Willoughby will once again host the show, which begins Sunday at 5.50pm on ITV1.
Olympic gold medallists Jayne Torvill and Christopher Dean are to serve as coaches and co-presenters, while West End actress Ruthie Henshall will join the show's regular judging panel of Robin Cousins, Karen Barber, Nicky Slater and Jason Gardiner.