They will be among 14 stars who will battle it out for the glitter-ball trophy when the show returns later this month.
Also taking part in the BBC One series will be One Show host Alex Jones, actress-turned-singer Holly Valance and TV astrologer Russell Grant, who has already shed several stone in preparation for the series.
Viewers will see how their training is progressing when they take to the floor for a group dance during the launch show for the ninth series on Saturday.
Other names taking part include former footballer Robbie Savage, boxer Audley Harrison, former MP Edwina Currie, impressionist Rory Bremner and actress Chelsee Healey, one of the stars of BBC One drama Waterloo Road. Her colleague Lucien Laviscount is currently appearing in Celebrity Big Brother.
The inclusion of presenter Dan Lobb will ensure the dance show will be a regular discussion point on ITV1 breakfast show Daybreak, and Nancy Dell’Olio, the former partner of Sven-Goran Eriksson, completes the line-up.
Bruce Forsyth will again return as show host, alongside Tess Daly, with Claudia Winkleman co-hosting the Sunday night results show.
Judges will once again by Len Goodman, Alesha Dixon, Craig Revel Horwood and Bruno Tonioli.