AceShowbiz - "Dancing with the Stars" isn't the only competition series that had big news to announce on Wednesday, September 4. "The Biggest Loser" has also revealed the full cast line-up of its upcoming 15 cycle subtitled "Second Chances".

"American Idol" season 2 winner Ruben Studdard, whose participation has been reported a few months ago, is joined by 14 other contestants in a cast photo. Olympic weight lifter Holley Mangold is another public figure joining the competition. It marks the first time for the show to have celebrity contestant.

Also this season, for the first time ever trainer Jillian Michaels, Bob Harper and Dolvett Quince helped pick the 15 contestants on casting sessions. The trainers will have a bigger control over who can stay on the competition as each of them is given a "trainer save" that allows them to save one eliminated contestant along the way.

"The Biggest Loser: Second Chances" premieres Tuesday, October 8 at 8 P.M. on NBC.

"The Biggest Loser: Second Chances" contestants:

• Fernanda Abarca (3D Animation Artist/Cake Sugar Artist), 32, Montrose, Calif.
• Craig Arrington (Warehouse Supervisor for Pharmaceutical Company), 30, Wilson, N.C.
• Chelsea Arthurs (Clinical Research Professional/Event Planner), 28, Raleigh, N.C.
• David Brown (Project Manager for Construction Company and Social Commerce Leader for Phone Company), 43, Edmond, Okla.
• Rachel Frederickson (Voice-over Artist), 24, Los Angeles, Calif.
• Hap Holmstead (Sales Consultant/Entrepreneur), 26, Pleasant Grove, Utah
• Matt Hooper (Retail Manager), 38, Georgetown, Mass.
• Holley Mangold (Olympic Weightlifter/Caterer), 24, Columbus, Ohio
• Jennifer Messer (Clerk/Bookkeeper), 42, Abingdon, Va.
• Tumi Oguntala (Brand Strategist), 41, Clifton Park, N.Y.
• Marie Pearl (Senior Staff Accountant at a Community College), 30, Springfield, Mo.
• Bobby Saleem (Attorney), 28, Chicago, Ill.
• Jay Sheets (Marketing Associate for a Food Company), 38, Farmington, MO.
• Ruben Studdard (Singer), 35, Birmingham, Ala.
• Tanya Winfield (Chief Operating Officer of a Restaurant Franchise), 41, Plainfield, Ill.