The Biggest Loser contestants for the new season have been announced and include a former biggest loser contestant, (Daniel Wrigth), a firefighter (Allen Smith) whose health and job are at risk because of his weight to a military wife and mother of four (Tracey Yukich) who has always put others first. Viewers will also meet a remarkable woman (Abby Rike) who endured the worst tragedy imaginable – losing her husband and two children in a deadly car crash. This season of The Biggest Loser is themed, 'second chances'. The 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.

The Biggest Loser premieres Tuesday, September 15 at 8pm on NBC.