Keena had a recurring role as Abby Morgan on "Dawson's Creek" and a starring role on the short-lived "Undeclared" as the college student Rachel. Keena also had guest roles on series such as "Law & Order", ', ', "Feds", and "Entourage". On the hit ABC medical drama "Grey's Anatomy", she appeared in the second season episode "Into You Like A Train" in which she played Bonnie, a patient who was severely injured in a massive train accident. She later reappeared in the third season episode "Some Kind of Miracle" to reprise her role as Bonnie.