CBS has announced the identities of the castaways who will be competing on Survivor: Nicaragua.

Survivor: Nicaragua will begin with the competition's 20 castaways divided into two tribes by age.  The Espada tribe, which will wear blue buffs and is named for the Spanish word for sword, will feature 10 contestants older than 40 while the La Flor tribe, which will bear yellow buffs and represents the Spanish word for flower, will consist of 10 contestants who are 30 years of age or younger.

In addition to Survivor's second-ever amputee, Survivor: Nicaragua's cast also includes former NFL coach Jimmy Johnson -- who will be the show's second-oldest contestant ever (trailing only original Survivor castaway Rudy Boesch) and had been reported to be part of the cast last month.

Survivor: Nicaragua -- the 21st edition of the long-running reality series -- will premiere Wednesday, September 15 at 8PM ET/PT and finished filming in San Juan del Sur, Nicaragua last month. 

Similar to Survivor's last two seasons which were filmed back-to-back in Samoa, next spring's 22nd edition will also film at the location this summer.

Survivor: Panama, the show's twelfth edition, previously divided castaways by age but featured four tribes -- younger men, younger women, older men, and older women.  However the divisions proved to be short-lived when the four tribes were merged into two via a "schoolyard pick" that occurred during the Spring 2006 season's second episode.

The ten members of the older Espada tribe are:

- Jill Behm, a 43-year-old ER doctor from Erie, PA

- Jane Bright, a 56-year-old dog trainer from Jackson Springs, NC

- Tyrone Davis, a 42-year-old fire captain from Inglewood, CA

- Wendy DeSmidt-Kohloff, a 48-year-old goat rancher from Fromberg, MT

- Holly Hoffman, a 44-year-old swim coach from Eureka, SD

- Jimmy Johnson, a 67-year-old former NFL coach and sports broadcaster from Islamorada, FL

- Dan Lembo, a 63-year-old real estate executive from Watermill, NY

- Marty Piombo, a 48-year-old technology executive from Mill Valley, CA

- Yve Rojas, a 41-year-old homemaker from Kansas City, MO

- James "Jimmy T" Tarantino, a 48-year-old fisherman from Gloucester, MA

The ten members of the younger La Flor tribe are:

- Jud Birza, a 21-year-old student from Venice, CA

- Kelly Bruno, a 26-year-old medical student from Durham, NC who lost her right leg to a birth defect as an infant

- Shannon Elkins, a 30-year-old pest control company owner from Lafayette, LA

- Ben "Benry" Henry, a 24-year-old club promoter from Los Angeles, CA

- Matthew "Sash" Lenahan, a 30-year-old real estate broker from New York, NY

- Brenda Lowe, a 27-year-old paddleboard company owner from Miami, FL

- NaOnka Mixon, a 27-year-old physical education teacher from Los Angeles, CA

- Chase Rice, a 24-year-old professional race car jackman from Fairview, NC

- Kelly Shinn, a 20-year-old nursing student from Mesa, AZ

- Alina Wilson, a 23-year-old art student from Downey, CA