Jessica Claire Biel (born March 3, 1982) is an American actress and former model, who has appeared in several Hollywood films, including Summer Catch, the remake of The Texas Chainsaw Massacre, The Illusionist and I Now Pronounce You Chuck and Larry. She is also known for her television role as Mary Camden in the long-running family-drama series 7th Heaven.

Jessica Claire Biel was born in Ely, Minnesota, to Kimberly Biel (née Conroe), a homemaker and spiritual healer, and Jonathan Biel, an entrepreneur and international business consultant. She has a younger brother, Justin, born in 1985. Biel has German, French, English, and Choctaw ancestry. Biel's family moved frequently during her childhood, living in Texas, Connecticut and Woodstock, Illinois, before finally settling in Boulder, Colorado.

Biel initially trained to be a vocalist, and appeared in several musical productions in her hometown, playing lead roles in productions such as Annie, The Sound of Music and Beauty and the Beast.