The new season of The Biggest Loser premieres September 15 at 8pm/EST on NBC---extended preview below:



The Biggest Loser contestants are:

SEAN ALGAIER (Youth Pastor), 29, Tulsa, OK.

AMANDA ARLAUSKAS (Patient Care Technician), 19, Butler, NJ.

DANNY CAHILL (Land Surveyor/Musician), 39, Broken Arrow, OK.

MOZZIZ "MO" DEWALT (Youth Mentor), 56, Louisville, KY.

ANTOINE DOVE (Health Insurance Agent), 23, Dudley, NC.

JULIO GOMEZ (Mortgage Loan Officer), 40, Algonquin, IL.

DINA MERCADO (Custodian), 28, Commerce, CA.

REBECCA MEYER (Student/Nanny), 25, Des Moines, IA.

RUDY PAULS (Engineer), 31, Brooklyn, CT.

ABBY RIKE (Teacher), 35, Mabank, TX.

ALLEN SMITH (Firefighter/EMT), 44, Columbus, IN.

SHAUNTINA "SHAY" SORRELLS (Social Worker), 30, Newport Beach, CA.

ALEXANDRA WHITE (Student), 20, Harrisburg, PA.

DANIEL WRIGHT (Student), 20, Willow Spring, NC.

LIZ YOUNG (Salesperson), 49, Lewisburg, TN.

TRACEY YUKICH (Homemaker), 37, Allen, TX.