Survivor One World Cast, Season 24 Contestants (Photo, Bio)

CBS has announced the 18 castaways who will be competing on the 24th season of Survivor, titled "Survivor: One World."

The new contestants will be split evenly by gender into two tribes of nine: the Salani Tribe and the Manono Tribe, named after islands in Samoa.

For the first time, the opposing tribes will share one beach and will have to decide whether to share their resources with each other or leave the opposing tribe to fend for themselves.

Meet the new contestants of "Survivor: One World".

Salani Tribe (Women)
Nina Acosta, 51, Clovis, Calif., retired LAPD officer
Christina Cha, 29, West Hollywood, Calif., career consultant
Monica Culpepper, 41, Tampa, ex-NFL player's wife
Kat Edorsson, 22, Orlando, timeshare rep
Chelsea Meissner, 26, Charleston, S.C., medical sales
Kourtney Moon, 29, Austin, Texas, motorcycle repair
Alicia Rosa, 25, Chicago, special ed teacher
Kim Spradlin, 29, San Antonio, bridal shop owner
Sabrina Thompson, 33, Brooklyn, high school teacher

Manono Tribe (Men)
Jay Byars, 25, Gaffney, S.C., model
Colton Cumbie, 21, Monroeville, Ala., college student
Michael Jefferson, 30, Seattle, banker
Leif Manson, 27, San Diego, phlebotomist
Jonas Otsuji, 37, Lehi, Utah, sushi chef
Bill Posley, 28, Venice, Calif., stand-up comedian
Matt Quinlan, 33, San Francisco, attorney
Troy Robertson, 50, Miami, swimsuit photographer
Greg Smith, 64, Houston, plastic surgeon

Survivor: One World premieres Feb. 15 on CBS. Will you be watching?