The celebrities will join fellow contestants Cherie Lunghi and Tom Chambers when the UK jaunt kicks off in January.
Former Strictly stars Gethin Jones, Jill Halfpenny, Julian Clary and Kenny Logan have already signed to once again go before all four of the BBC judges on the 45-date tour.
Bruno Tonioli, who was unable to take part in last year's live spinoff, said: "This year, it's going to be even better - skillful routines and beautiful costumes brought together by fantastic live music - it's going to be great."
Professional dancers taking part in the stage show include Camilla Dallerup, Vincent Simone, Darren Bennett, James Jordan, Ian Waite, Lilia Kopylova, Flavia Cacace, Ola Jordan, Matthew Cutler and Kristina Rihanoff.
Kate Thornton will once again present the five-week tour, which kicks off on January 16.