Before joining "13 Reasons Why," Strong builds a long career in television, film, and theater. She gains widespread recognition for her role as Mary Alice Young on "Desperate Housewives," the enigmatic narrator whose voice and presence frame much of the show’s storytelling. This high‑profile television role brings her to broad audience awareness and anchors her as a familiar presence in dramatic ensemble casts.

In addition to her work on "Desperate Housewives," Strong appears in numerous television series and film projects across different genres. Her work includes guest and recurring roles on dramas, comedies, and miniseries, giving her experience with a wide range of production styles and creative teams prior to her role on "13 Reasons Why." She also performs in theater productions, contributing to her background in both classical and contemporary performance.

Outside of acting, Strong is involved in creative and charitable initiatives while continuing her work in television and film. She participates in industry events and collaborations that connect to her experience in long‑running series and ensemble work.