From ABC's official press release:

An all-new cast of celebrities hits the dance floor with the highly anticipated two-hour season premiere, Monday, March 9, 2009 (8:00-10:02 pm ET) on ABC.

Dancing with the Stars returns with new surprises and all the elements viewers have come to know and love, including the Kids Ballroom competition.  Macy's Stars of Dance, which features some of the most renowned dancers and choreographers of our time, will also be back on Dancing with the Stars the Results Show, along with its hugely popular Design a Dance competition.  Design a Dance is sponsored by Macy's and made its debut last season.  In addition, couples will once again take part in a team dance, group dance and face-off, as well as perform the Argentine Tango and East Coast Swing, a first in the series.  And in an exciting new twist, the bottom two couples facing elimination will Dance Off to determine who is dismissed in the first weeks of competition.

The 13 celebrities making their ballroom dancing debut are:

Belinda Carlisle
David Alan Grier
Shawn Johnson
Lil' Kim
Gilles Marini
Ty Murray
Steve-O
Denise Richards
Lawrence Taylor
Chuck Wicks
Steve Wozniak
Holly Madison (rumored to replace Jewel)
Melissa Rycroft (rumored to replace Nancy O'Dell)


Source: ABC
(Image courtesy of ABC)