Hayley McFarland was born on March 29, 1991. McFarland grew up in Edmond, Oklahoma. As a child, she appeared in several theatrical productions, including Titanic, Fiddler on the Roof, and The Sound of Music. She has also appeared on TV (Gilmore Girls, ER, Criminal Minds). In 2008, Hayley was cast as Emiliy Lightman on the FOX series Lie to Me. In the 2008 film Winged Creatures, she played Lori Carline alongside Dakota Fanning.