Monica Seles, 34 - She has nine grand slam titles, but will she and her partner keep their volley going more than one episode Hopefully she won't grunt like she does on the court.
2 of 12 Astrid Stawiarz/Getty Images
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Kristi Yamaguchi, 36 - Kristi can double-axle on ice skates with ease, but how about doing a paso doble in scary five-inch heels
3 of 12 Ralph Notaro/Getty Images
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Jason Taylor, 33 - Defensive ends are usually big and scary. But can Jason soften his footwork into a beautiful waltz Or will he fumble miserably
4 of 12 Stephen Lovekin/WireImage.com
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Marlee Matlin, 42 - TV's perennial guest star is taking a chance on dance. Will getting paired with just the right partner give her a leg up
5 of 12 Tomos Brangwyn/WireImage.com
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Priscilla Presley, 62 - Time has been kind to this actress/beauty. The lovely Priscilla will try to tear up the dance floor, like she tore off her clothes in Naked Gun.
6 of 12 Gustavo Caballero/Getty Images
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Cristian de la Fuente, 33 - Let's hope the Ugly Betty star's dancing skills don't take after the name of his show!
7 of 12 Gary Gershoff/WireImage.com
Mario, 21 - Will the R&B singer's dancing strike the right chord... or fall terribly flat
8 of 12 Kristian Dowling/Getty Images
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Shannon Elizabeth, 34 - The skimpy outfits Shannon will have to wear shouldn't bother her too much, after playing American Pie's naughty Nadia. Male viewership will shoot through the roof.
9 of 12 John Shearer/WireImage.com
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Marissa Jaret Winokur, 35 - This Tony-winner for Hairspray can dance and sing, for sure, but will she be able to translate her moves into tangos, waltzes and paso dobles
10 of 12 Ethan Miller/Getty Images
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Penn Jillette, 52 - Will Teller whip up some magical steps for Penn and his partner behind the scenes Will he cast a spell on all the judges (Will we run out of magic puns)
11 of 12 Tana Lee Alves/WireImage.com
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Steve Guttenberg, 49 - What would Tackleberry and Hightower say Hopefully, Guttenberg and his partner will delivery genuinely arresting performances.
12 of 12 Paul Redmond/WireImage.com
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Adam Carolla, 43 - Awkward, thy name is Adam. But can the right pro bring out his inner Fred Astaire It may be a long shot for the funnyman.