So who are they:
-David Arquette: The comedic actor and former husband of Courteney Cox is best known for his performances in Scream and Never Been Kissed.
-Chaz Bono: The only child of legendary entertainers Cher and the late Sonny Bono will be the first transgendered contestant on the series.
-Nancy Grace: The former criminal prosecutor and opinionated legal commentator is expected to keep hosting her show on HLN while she competes on the show.
-Ricki Lake: The actress-author-birth advocate is having a great year; she recently announced her engagement and will launch another talk show next year.
-Rob Kardashian: Kourtney, Kim and Khloe's younger brother works as a talent manager but occasionally steps into the limelight to appear on his family's shows.
-Ron Artest: Standing at 6-foot-7, the Los Angeles Lakers forward is one of the season's two professional athletes.
-Chynna Phillips: The Wilson Phillips singer is related to two Hollywood families -- her Mama and Papa John and Michelle Phillips and her Baldwin husband Billy.
Kristin Cavallari: The former star of MTV's reality series Laguna Beach and The Hills occasionally appears on TV shows but is mostly dedicated to her charity work. She's also mending as a broken, as her engagement to NFL play Jay Cutler was called off in July.
-Carson Kressley: The personal stylist and television host became a household name when he starred on Bravo's Queer Eye for the Straight Guy in 2003.
-J.R. Martinez: The All My Children actor suffered burns over 40 percent of his body while deployed in Iraq. When he's not on the soap he's a motivational speaker.
-Hope Solo: Filling in the other pro athlete spot is the beautiful, heavily endorsed goalie of the U.S. Women's National Soccer Team.
-Elisabetta Canalis: She may be tabloid fodder for being George Clooney's ex, but the gorgeous model-actress is a famous TV and film personality in her native Italy.
Who's your favorite? Do you think this is the best cast yet?