'Survivor: Worlds Apart' Castaways Revealed

The season 30 theme is white collar vs. blue collar vs. no collar.

CBS on Wednesday announced the 18 castaways who will compete for the $1 million prize on the 30th season of Survivor.

Survivor: Worlds Apart splits the competitors into three tribes around the new theme of white collar vs. blue collar vs. no collar.

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The white collar tribe (Masaya) is "known for making the rules" and includes a corporate executive, a retail buyer and a marketing director. The blue collar tribe (Escameca) is "known to follow the rules" and includes a postal worker, an oil driller and a contractor. The no collar tribe (Nargarote), is "the most unpredictable group" and includes "free spirits who are known to break the rules," including a coconut salesman, a sailing instructor and a YouTube sensation. (See more photos here.)

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Jeff Probst returns as host of the reality competition, which features a 90-minute premiere at 8 p.m. Wednesday, Feb. 25, followed by the 90-minute season premiere of The Amazing Race.

The competitors are:

White Collar (Masaya Tribe)

Tyler Fredrickson, 33
Current Residence: Los Angeles
Occupation: Ex-Talent Agent Assistant

So Kim, 31
Current Residence: Long Beach, Calif.
Occupation: Retail Buyer

Carolyn Rivera, 52
Current Residence: Tampa, Fla.
Occupation: Corporate Executive

Max Dawson, Ph.D., 37
Current Residence: Topanga, Calif.\
Occupation: Media Consultant

Shirin Oskooi, 31
Current Residence: San Francisco
Occupation: Yahoo Executive

Joaquin Souberbielle, 27
Current Residence: Valley Stream, N.Y.
Occupation: Marketing Director

Blue Collar (Escameca Tribe)

Kelly Remington, 44
Current Residence: Grand Island, N.Y.
Occupation: State Trooper

Sierra Dawn Thomas, 27
Current Residence: Roy, Utah
Occupation: Barrel Racer

Mike Holloway, 38
Current Residence: North Richland Hills, Texas
Occupation: Oil Driller

Lindsey Cascaddan, 24
Current Residence: College Park, Fla.
Occupation: Hairdresser

Dan Foley, 47
Current Residence: Gorham, Maine
Occupation: Postal Worker

Rodney Lavoie Jr., 24
Current Residence: Boston
Occupation: General Contractor

No Collar (Nargarote)

Jenn Brown, 22
Current Residence: Long Beach, Calif.
Occupation: Sailing Instructor

Hali Ford, 25
Current Residence: San Francisco
Occupation: Law Student

Joe Anglim, 25
Current Residence: Scottsdale, Ariz.
Occupation: Jewelry Designer

Nina Poersch, 51
Current Residence: Palmdale, Calif.
Occupation: Hearing Advocate

Vince Sly, 32
Current Residence: Santa Monica, Calif.|
Occupation: Coconut Vendor

Will Sims II, 41
Current Residence: Sherman Oaks, Calif.
Occupation: YouTube Sensation