Ex-footballer Fabrice Muamba teams up with Aliona Vilani for a dance routine, while veteran actress Sheila Hancock is partnered by Ian Waite.
The festive edition of the BBC reality show also features JLS star JB Gill taking a break from the X Factor boyband to show off his best moves with Ola Jordan.
Katy Brand and Anton Du Beke are another couple who showcase their best Christmas spirit on the dancefloor.
Bobby Ball and Katya Virshilas and ex-Blue Peter host Helen Skelton, who partners Artem Chigvintsev, complete the lineup for the Christmas competition.
Bruce Forsyth and Tess Daly will host the Christmas Day edition of the BBC's flagship entertainment show.
Judges Len Goodman, Bruno Tonioli, Craig Revel Horwood and Darcey Bussell will all return to offer their verdicts on the winter special.
Meanwhile, some old Strictly favourites will return in a 'Strictly Allstars' performance.
Ex-contestants Kelly Brook, Rachel Stevens, Chelsee Healey and Colin Jackson will team up with pro partners for a special one-off performance.
Former winners Natasha Kaplinsky, Chris Hollins and Tom Chambers are also involved.
Russell Grant and Ann Widdecombe will also take part in the large-scale routine.