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From left, NFL wide receiver Keyshawn Johnson, comic
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From left, NFL wide receiver Keyshawn Johnson, comic Bill Engvall, TV personality Jack Osbourne, actor Corbin Bleu, Bill Nye, the "Science Guy," actor Brant Daugherty, and seated from left, TV personality Nicole "Snooki" Polizzi, actress Valerie Harper, singer-actress Christina Milian, actress Elizabeth Berkley and actress Amber Riley on "Good Morning America" in Manhattan. (Sept. 4, 2013)(Credit: AP)

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'Dancing With the Stars' cast season 17

A comic, an Osbourne, Snooki and The Science Guy -- see the full cast of "Dancing With the Stars" season 17, which airs live on Mondays at 8 p.m. ET on ABC.