The 5th season of Dancing with the Stars premieres September 24.

Melanie Brown
aka Scary Spice of the Spice Girls
Professional Partner: Maksim Chmerkovskiy (4th season)

Sabrina Bryan
The Cheetah Girls
Professional Partner: Mark Ballas (1st season)

Helio Castroneves
two-time Indianapolis 500 champion
Professional Partner: Julianne Hough (2nd season; defending champion)

Mark Cuban
owner of the Dallas Mavericks
Professional Partner: Kym Johnson (3rd season)

Jennie Garth
Beverly Hills: 90210; What I Like About You
Professional Partner: Derek Hough (1st season)

Josie Maran
model/actress
Professional Partner: Alec Mazo (3rd season; former Champion)

Cameron Mathison
All My Children
Professional Partner: Edyta Sliwinska (5th season)

Floyd Mayweather
WBC Welterweight Champion
Professional Partner: Karina Smirnoff (3rd season)

Wayne Newton
Mr. Las Vegas
Professional Partner: Cheryl Burke (4th season; two-time Champion)

Marie Osmond
The Donny & Marie Show
Professional Partner: Jonathan Roberts (4th season)

Albert Reed
model
Professional Partner: Anna Trebunskaya (2nd season)

Jane Seymour
Dr. Quinn, Medicine Woman
Professional Partner: Tony Dovolani (4th season)