Meet the Cast of Dancing With the Stars: Season 12

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Kirstie Alley

Most recently appearing on A&E's Kirstie Alley's Big Life, the Emmy and Golden Globe winning star, 60, rose to fame on the late 80s hit Cheers as Rebecca Howe.

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Chris Jericho

Born Christopher Keith Irvine, Jericho, 40, is known as the first-ever Undisputed Champion in the WWF. He has won 23 titles during his time in the World Wrestling Federation/World Wrestling Entertainment.

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Hines Ward

As the Pittsburgh Steelers' wide receiver, Ward, 34, is the longest-tenured player on the team. Voted MVP of Super Bowl XL, Ward was appointed to President Obama's Advisory Commission on Asian Americans and Pacific Islanders in 2010.

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Chelsea Kane

Also known as Chelsea Staub, the 22-year-old singer-actress is a Disney Channel veteran, having appeared on the network's hit films and TV series, including Wizards of Waverly Place and Fish Hooks.

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Wendy Williams

Daytime gabber Williams, 46, will reportedly take a hiatus from her NYC-based talk show to compete for DWTS' coveted mirrorball trophy.

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Mike Catherwood

Known to Los Angeles-area radio listers as DJ Psycho Mike, Catherwood, 31, appears on KROQ and cohosts the relationship call-in show Loveline with Dr. Drew Pinsky.

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Petra Nemcova

Czechoslovakia born Nemcova, 31, appeared on the 2004 cover of Sports Illustrated's swimsuit issue and has released her autobiography, Love Always, Petra, detailing the loss of her fiance Simon Atlee in the Thailand tsunami.

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Ralph Macchio

Appearing as Daniel LaRusso in the Karate Kid film franchise, Macchio's first industry work was in TV commercials for Bubble Yum and Dr. Pepper. Macchio, 49, also had a recurring role on the 80s TV series Eight Is Enough.

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Sugar Ray Leonard

Named "Boxer of the Decade" for the 1980s, Leonard, 54, retired from the sport in 1997 after making the 1976 U.S. Olympic team and earning a gold medal in the light welterweight division.

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Romeo

The son of rapper Master P, Romeo, 21, had to withdraw from season 2 of DWTS due to an injury. His father stepped in to take his place that year. Currently a senior basketball player at USC, Romeo's most recent album, Intelligent Hoodlum, is in stores now.