Dancing with the Stars: Meet Season 13's CompetitorsDavid Arquette, Kristin Cavallari, Nancy Grace, Chaz Bono and more will step into the ballroom on Sept. 19


"I'm cool with being the underdog," says the star of All My Children. His master plan: "I will slide under the radar till the competition gets tougher," Martinez, 28, says. "Then I'll let our moves take over from that point and let the audience do us justice by putting us through week by week."