[4] At six months old, Williams had a minor TV role as an abandoned baby on The Adventures of Robin Hood.

Williams' first major role was as an ongoing lead, Ann Watson, in the daily soap opera Class of '74 (1974).

A guest role as Carol Canning in The Outsiders (1976) episode 10 "Charlie Cole Esq."

Williams provided backing vocals for "Flame Trees" on Cold Chisel's Twentieth Century (1984).

[10] Williams was in a de facto relationship with Cold Chisel singer-guitarist Ian Moss for 11 years, before they separated in the 1990s.