Eaton was born on Long Island, New York, to a clinical social worker mother and an administrative law judge father.

She attended Hofstra University in Hempstead, New York, where she was an active member of the Delta Phi Epsilon sorority; she graduated in 1996 with a degree in interdisciplinary studies, minoring in theater.

She later had significant guest appearances on NYPD Blue, Dharma & Greg, CSI: Crime Scene Investigation, House and NCIS.

[6] In 2006, she joined the cast of Boston Legal as Bethany Horowitz, a love interest to William Shatner's character Denny Crane.

[4] Between her roles in Family Law and Boston Legal, Eaton worked as a psychotherapist with patients in a locked unit for the criminally insane at a Los Angeles hospital.