THE CASTAWAYS' MENTAL TOUGHNESS IS TESTED ON THE EDGE OF EXTINCTION, ON A SPECIAL TWO-HOUR EPISODE OF "SURVIVOR," WEDNESDAY, MARCH 20

"It's Like the Worst Cocktail Party Ever" - The castaways' mental toughness is tested on the Edge of Extinction, and targets begin switching from one castaway to another when weaknesses are exposed, on a special two-hour episode of SURVIVOR, Wednesday, March 20 (8:00-10:01 PM, ET/PT) on the CBS Television Network.

"MANU" TRIBE

Dan "The Wardog" DaSilva, Law Student/Former Military

Rick Devens, Morning News Anchor

Wendy Diaz, Small Business Owner

Lauren O'Connell, Student at Baylor University

Kelley Wentworth, Marketing Manager, Previous Seasons: Second Chance, San Juan del Sur

David Wright, Television Writer, Previous Season: Millennials vs. Gen-X

"KAMA" TRIBE

Joe Anglim, Multimedia Artist, Previous Seasons: Worlds Apart, Second Chance

Aubry Bracco, Marketing Director, Previous Seasons: Kaoh Rong, Game Changers

Victoria Baamonde, Waitress

Ron Clark, Teacher, Ron Clark Academy

Julia Carter, Medical Assistant

Eric Hafemann, Firefighter

Aurora McCreary, Divorce Lawyer

Julie Rosenberg, Toymaker

Gavin Whitson, YMCA Program Director

"EDGE OF EXTINCTION"

Reem Daly, Sales

Keith Sowell, Pre-Med Student

Chris Underwood, District Sales Manager

SURVIVOR is hosted by Emmy Award-winning host Jeff Probst and produced by S.E.G. Holdco., LLC. Mark Burnett, Jeff Probst and Matt Van Wagenen are executive producers.

For more detailed information on SURVIVOR and the castaways, log on to www.cbs.com/survivor.