Williams was born in London to parents of British, Russian, Romanian, Guyanese and Carib descent.

She starred in several British films, including 'Steffi' in Thin Ice[1] with Ian McKellen and James Dreyfuss, and was a regular face in many British television series including an appearance as Lise Yates [2] in episode "Thanks for the Memory" of the sci-fi comedy, Red Dwarf.

[3] Williams was cast at a very young age as a lead presenter/actress in the top rated live TV show, Ghost Train [1].

After numerous shows and engagements, including the position of Moderator for BAFTA, WGA and SAG,[4] Williams most recently hosted On The Bench on Setanta Sports.

Williams has been a member of the Actors' Gang[5] (Artistic Dir.Tim Robbins), leading in several shows including Molière's Tartuffe [6] and appeared in the ABC series, In Justice,[7] playing Sondra, Kyle MacLachlan's love interest, Mission: Impossible III [8] opposite Tom Cruise as 'Annie Miller', and Nip/Tuck [9] among other notable roles.