Dancing with the Stars 2013 Cast Reveal: Season 17 Will See Snooki

The new cast of "Dancing with the Stars" has been revealed on "Good Morning America" early Wednesday morning.

Season 17 of ABC's hit reality dancing competition already leaked some names to the press, but all 12 contestants were finally released.

Tom Bergeron and his co-host Brooke Burke-Charvet announced the new cast members live from New York City's Times Square.

Firstly, "Jersey Shore" star Snooki has joined the highly anticipated new season, followed by NFL star Keyshawn Johnson.

Furthermore, Valerie Harper has joined season 17, despite overcoming a terminal illness earlier this year. The 74-year-old "Mary Tyler Moore Show" star was diagnosed with brain cancer and given just months to live, but is ready to hit the ballroom on "DWTS."

Next, "Pretty Little Liars" star Brant Daugherty will compete this year, followed by singer Christina Milian, Bill Nye "the Science Guy," and "Saved by the Bell" star Elizabeth Berkley.

"High School Musical" alum Corbin Bleu also stepped up to dance this season.

Rounding out the cast for season 17 was "Glee" star Amber Riley, comedian Bill Engvall, reality television star Jack Osbourne, and finally, Leah Remini from the sitcom "King of Queens."

Season 17 of "DWTS" will kick off on ABC on Sept. 16 at 8 p.m.

This season, the show will only air on Monday nights, eliminating the Results Show that usually followed on Tuesdays in past seasons. The Monday night episode will be two hours long.

Speaking about the change in airtime, "DWTS" famed professional dancer Derek Hough revealed optimism.

"We've got one show a week now," said the reigning "DWTS" champ speaking to Access Hollywood. "But I think it'll make a better show, more jam-packed. And so I'm excited about it."

Other pro dancers on "DWTS" that have become household names include Cheryl Burke and Karina Smirnoff.