LOS ANGELES (AP) — Kellie Waymire, whose frequent appearances on such shows as "Six Feet Under," "Friends" and "Ally McBeal" made her a familiar face to television fans, has died at age 36, apparently of a previously undetected medical condition.

Waymire died Nov. 13 at her home in Los Angeles, according to her agent, Billy Miller. He did not disclose what medical condition she had, noting final autopsy results were pending.

Although best known for several TV appearances, including a recurring role on "Six Feet Under" as Melissa the prostitute, Waymire had also gained acclaim for her work in regional theater.

The Los Angeles Times called her performance as the lead in A.R. Gurney's offbeat play "Sylvia," at San Diego's Old Globe Theatre in 1996, "utterly irresistible." The role, which she performed in San Francisco as well, won her a Drama-Logue Award.