[6] She worked at a newspaper during the summers of her high-school years,[5] and attended Sarah Lawrence College.

Productions in which she performed included The Master Builder and Slow Dance on the Killing Ground.

[8] Ewing guest-starred on many television series, including The Mod Squad (1968), Love American Style (1969), Mission: Impossible (1969), The Big Valley (1969), The F.B.I.

One of her earliest television roles was in the original Star Trek in the third-season episode "The Cloud Minders" (1969) as Droxine.

Ewing made her feature film debut in the supporting role of Tracy Rutledge, in the movie 80 Steps to Jonah (1969),[9] and also appeared in Play It As It Lays (1972) and The Way We Were (1973).