The cast of "Survivor: One World" will be fighting in a battle of the sexes scenario while also living on the same beach for the entire competition.CBS/Monty Brinton - Wednesday, January, 18, 2012, 11:18 PM

Leif Manson, a phlebotomist currently living in San Diego, California, is set to compete in "Survivor: One World." He may be the first little person to ever compete on "Survivor," but he's up for the challenge. "I'm so ready to just climb mountains, dig as deep as the earth's core to win this thing, " Leif explains. "I think my fellow castmates will underestimate me, and that's when they're in trouble and they won't even know what hit them."CBS/Monty Brinton - Wednesday, January, 18, 2012, 11:18 PM

Monica Culpepper, an ex-NFL player's wife currently living in Tampa, Florida, is set to compete in "Survivor: One World."CBS/Monty Brinton - Wednesday, January, 18, 2012, 11:18 PM

Jay Byars, a model currently living in Gaffney, South Carolina, is set to compete in "Survivor: One World."CBS/Monty Brinton - Wednesday, January, 18, 2012, 5:18 PM

Christina Cha, a career consultant currently living in Hollywood, California, is set to compete in "Survivor: One World."CBS/Monty Brinton - Wednesday, January, 18, 2012, 5:18 PM

Kimberly Spradlin, a bridal shop owner currently living in San Antonio, Texas, is set to compete in "Survivor: One World."CBS/Monty Brinton - Wednesday, January, 18, 2012, 5:18 PM

Kat Edorsson, a timeshare rep currently living in Orlando, Florida, is set to compete in "Survivor: One World."CBS/Monty Brinton - Wednesday, January, 18, 2012, 5:18 PM

Sabrina Thompson, a high school teacher currently living in Brooklyn, New York, is set to compete in "Survivor: One World."CBS/Monty Brinton - Wednesday, January, 18, 2012, 5:18 PM

Alicia Rosa, a special education teacher currently living in Chicago, Illinois, is set to compete in "Survivor: One World."CBS/Monty Brinton - Wednesday, January, 18, 2012, 5:18 PM

Chelsea Meissner, a medical sales rep currently living in Charleston, South Carolina, is set to compete in "Survivor: One World."CBS/Monty Brinton - Wednesday, January, 18, 2012, 5:18 PM

Nina Acosta, a retired LAPD officer currently living in Clovis, California, is set to compete in "Survivor: One World."CBS/Monty Brinton - Wednesday, January, 18, 2012, 5:18 PM

Troy Robertson, a swimsuit photographer currently living in Miami, Florida, is set to compete in "Survivor: One World."CBS/Monty Brinton - Wednesday, January, 18, 2012, 5:18 PM

Kourtney Moon, a motorcycle repair person currently living in Austin, Texas, is set to compete in "Survivor: One World."CBS/Monty Brinton - Wednesday, January, 18, 2012, 5:18 PM

Greg Smith, M.D., a plastic surgeon currently living in Houston, Texas, is set to compete in "Survivor: One World."CBS/Monty Brinton - Wednesday, January, 18, 2012, 5:18 PM

Colton Cumbie, a college student currently living in Monroeville, Alabama, is set to compete in "Survivor: One World."CBS/Monty Brinton - Wednesday, January, 18, 2012, 5:18 PM

Jonas Otsuji, a sushi chef currently living in Lehi, Utah, is set to compete in "Survivor: One World."CBS/Monty Brinton - Wednesday, January, 18, 2012, 5:18 PM

Michael Jefferson, a banker currently living in Seattle, Washington, is set to compete in "Survivor: One World."CBS/Monty Brinton - Wednesday, January, 18, 2012, 5:18 PM

Matt Quinlan, an attorney currently living in San Francisco, California, is set to compete in "Survivor: One World."CBS/Monty Brinton - Wednesday, January, 18, 2012, 5:18 PM

Bill Posley, a stand-up comedian currently living in Venice, California, is set to compete in "Survivor: One World."CBS/Monty Brinton - Wednesday, January, 18, 2012, 5:18 PM