Overton grew up in Wilbraham, Massachusetts, and studied at the American Academy of Dramatic Arts in New York City, where she graduated with their highest honor, The Charles Jehlinger Award.
Overton wuchs in Wilbraham, Massachusetts, auf und studierte an der American Academy of Dramatic Arts in New York City, die sie mit der höchsten Ehre, dem Charles Jehlinger Award abschloss.