 Williams can also be heard singing several guest tracks on the '"Momentous Musicals"' album of 2012 and the original London cast album of "A Spoonful of Sherman" as well as featuring as a guest vocalist for Lance Horne on "First Things Last" and Alexander Bermange for "Songs of Wit and Whimsy"

Williams's career started in television.She appeared in the Yorkshire drama "Heartbeat" in November 1997, episode titled "Substitute" (Season 7) and in February 2001 "Who's Who?