Dancing with the Stars

Penn Jillette

Age: 52
Known for: Being one-half of the illusionist team Penn & Teller, and producing and co-creating 2005's acclaimed documentary The Aristocrats.
Dancing partner: Kym Johnson
On getting advice: "[Colleagues] told me that doing any dance training would be a very bad idea because you might learn stuff wrong, or in a different way that your partner wants you to ... And then they told me to take pilates, I think to get used to public humiliation."