Lulu, Jason Donovan and Holly Valance are among the celebrities who will be taking to the dancefloor in the coming weeks.
They will be joined by Waterloo Road star Chelsee Healey, comedian Rory Bremner and McFly member Harry Judd.
Other stars taking part in the competition include actress Anita Dobson, Nancy Dell'Olio, astrologer Russell Grant, TV presenter Daniel Lobb, former MP Edwina Currie and boxer Audley Harrison.
Completing the lineup are One Show host Alex Jones and former footballer Robbie Savage.
Returning to host the show are Sir Bruce Forsyth and Tess Daly, while Claudia Winkleman will be back for the Sunday night results programme.
Meanwhile, the judging panel remains the same, with Len Goodman, Alesha Dixon, Craig Revel Horwood and Bruno Tonioli all coming back to judge the celebrities.
This year's series of Strictly Come Dancing will include a live special from Wembley Arena in aid of Children In Need, while the finale will be broadcast in 3D from Blackpool's Tower Ballroom.
The Strictly Come Dancing hopefuls will find out who they'll be dancing with in the red carpet launch show, which will air on Saturday at 6.10pm on BBC One.
> Strictly Come Dancing 2011: The lineup in pictures
> Strictly Come Dancing poll: Who is your favourite celebrity on the lineup?