The following is a list of HouseGuests in the first season of Big Brother.
Aleksandar "Alex" Nikolic is a 21-year-old student residing in Evanston, Illinois, although originally he is from Grass Lake, Michigan. He is studying computer engineering at Northwestern University.
Amanda Katrina Wilson is a 29-year-old radio host from Seattle, Washington. She is a graduate of the University of California, Berkeley.
April Marie Toole is a 30-year-old financial analyst from Bismarck, North Dakota. She is a graduate of the University of North Dakota and North Dakota State University.
Bennett Daniel Robinson is a 28-year-old government staffer residing in Alexandria, Virginia, although originally he is from Mountain Brook, Alabama. He is a graduate of the University of Alabama and Georgetown University.
Daisy Angeline Wu is a 24-year-old marketing consultant from Honolulu, Hawaii. She is a graduate of the University of Hawaii at Manoa.
Denise Carolina Martinez (née Nuñez) is a 37-year-old hair stylist from Miami, Florida.
Gabrielle Paige "Gaby" Highlands is a 25-year-old outdoor supplies salesperson from Franklin, Tennessee.
Kayla Elizabeth Gregory is a 26-year-old event hostess residing in Los Angeles, California, although originally she is from Las Vegas, Nevada.
Kevin Alexander "Kev" Conrad is a 32-year-old bartender residing in Brooklyn, New York, although originally he is from Ellettsville, Indiana.
Kyle Angelo Johanson is a 27-year-old model residing in Los Angeles, California, although originally he is from Port Washington, Wisconsin.
Matthew Isaac "Matt" Gonzalez is a 23-year-old fast food employee from Camden, New Jersey.
Natasha Rose Antoni is a 23-year-old law student residing in Boston, Massachusetts, although originally she is from Portland, Maine. She is a graduate of the University of Southern Maine, and is currently studying law at Boston University.
Samuel David Paul is a 26-year-old businessman residing in San Francisco, California, although originally he is from Massillon, Ohio. He is a graduate of San Francisco State University.
Thierry Damon LeRoux is a 41-year-old jazz musician from New Orleans, Louisiana.
Thomas Robert "Tommy" Daniels is a 24-year-old rancher from Jenks, Oklahoma.
Veronica Rosemarie Marcos is a 27-year-old car salesperson from Dallas, Texas. She is a graduate of the University of Oklahoma.