Martinez, an Iraq War veteran, has starred on "All My Children" and also works as a motivational speaker. In April 2003, at 19 years of age, Martinez was serving as a humvee driver for the United States Army in Iraq when his left front tire hit a landmine. He suffered smoke inhalation and burns to more than 40 percent of his body.
He is paired with Karina Smirnoff.
The TV personality is part of the Kardashian-Jenner clan. He's the brother of Kim, Khloe and Kourtney Kardashian and Kendall and Kylie Jenner. He stars with his family on the E! reality shows "Keeping Up with the Kardashians" and "Khloe & Lamar."
He is paired with Cheryl Burke.
Eliminated on Nov. 22, 2011.
Lake is best known for playing Tracy Turnblad in the original film version of "Hairspray" and for her talk show, which ran from 1993-1994. She's returning to daytime television with "The Ricki Lake Show," which will premiere in fall 2012.
She is paired with Derek Hough.
Eliminated on Nov. 15, 2011.
Solo is a goalkeeper for the U.S. Women's Soccer team. She helped the team advance to the 2011 World Cup finals, where it ultimately lost in a penalty shootout with the Japanese team.
She is paired with Maksim Chmerkovskiy.
Eliminated on Nov. 8, 2011.
Grace is the host of the HLN show "Nancy Grace." A former prosecutor, the outspoken legal analyst and television commentator has also written three books.
She is paired with Tristan McManus.
Eliminated on Nov. 1, 2011.
Arquette is best known for playing Deputy Dwight "Dewey" Riley in the "Scream" film franchise. He and actress Courteney Cox, who married in 1999, announced their separation in October 2010, and in early 2011 the actor completed a stay in a rehab facility.
He is paired with Kym Johnson.
Eliminated on Oct. 25, 2011.
Bono is the child of famed entertainers Sonny Bono and Cher. Born Chastity Bono, the LGBT activist, author and speaker underwent female-to-male gender transition. A documentary about his transition, "Becoming Chaz," premiered at the Sundance Film Festival and aired on the Oprah Winfrey Network.
He is paired with Lacey Schwimmer.
Eliminated on Oct. 18, 2011.
Kressley, a TV host, stylist and author, is best known for appearing on the shows "Queer Eye for the Straight Guy" and "How to Look Good Naked." He currently stars on "Carson Nation," a one-hour show on the Oprah Winfrey Network.
He is paired with Anna Trebunskaya.
Eliminated on Oct. 11, 2011.
Phillips is a member of the group Wilson Phillips and the daughter of The Mamas and the Papas bandmembers John and Michelle Phillips. The singer/songwriter, actress and humanitarian is married to actor Billy Baldwin and has appeared in films like "Some Kind of Wonderful" and "Say Anything." Recently, Wilson Phillips made a cameo in the hit comedy "Bridesmaids."
She is paired with Tony Dovolani.
Eliminated on Oct. 4, 2011.
The TV personality came to fame on MTV, when she starred on the shows "Laguna Beach: The Real Orange County" and "The Hills." She's also had roles in films like "Van Wilder: Freshman Year" and on TV's "CSI: NY" and "The Middle," Cavallari was set to marry Chicago Bears quarterback Jay Cutler, but he ended their engagement in July 2011.
She is paired with Mark Ballas.
Eliminated on Sept. 27, 2011.
The Italian actress, who had a recurring role on TNT's "Leverage" and parts in films including "Deuce Bigalow: European Gigolo" and "Virgin Territory," is perhaps best known for her two-year relationship with actor George Clooney. The couple split in June 2011.
She is paired with Val Chmerkovskiy.
Eliminated on Sept. 20, 2011.
Artest is a small forward who has been playing for the Los Angeles Lakers since 2009. He made news in June 2011 when he filed a petition in a Los Angeles court to change his name to Metta World Peace.
He is paired with Peta Murgatroyd.