[2] A coloratura soprano,[2] Stephens performed in operas before moving into acting.

[3] On television, Stephens played Diane Waring in Bracken's World,[4] Irene Stefan in Eischied,[4]: 302  Claire Kronski in Matt Helm,[4]: 667  Susan Wentworth in O.K.

[4]: 1190 She also appeared in the TV series Leave It to Beaver, Surfside 6, The Many Loves of Dobie Gillis, Laramie, Laredo, The F.B.I., Tarzan, The Name of the Game, I Dream of Jeannie, Love, American Style, Nanny and the Professor, Cade's County, The Mod Squad, Marcus Welby, M.D., Mission: Impossible, Mannix, McCloud, Barnaby Jones, Cannon, Movin' On, The Quest, Police Story, Police Woman, Hawaii Five-O, The Next Step Beyond, Vegas, The Love Boat, T. J. Hooker, Seven Brides for Seven Brothers and Fantasy Island, among others.

She appeared in the films 40 Guns to Apache Pass; Hellfighters; and The Thousand Plane Raid; and in numerous television movies.

[5] In 1964, Sinatra Enterprises signed Stephens for a role in the film None but the Brave.