Williams has also worked as a sound (or sound effects) editor on a number of films, including The Only Thrill (1997, with Sharon Lawrence) and Family Plan (1998). Fellow Trek sound department members Ruth Adelman, Dale Chaloukian, Doug Davey, Wilson Dyer, Chris Elam, Jeff Gersh, Chris Haire, Bill Henderson, Mace Matiosian, Richard Morrison, Jivan Tahmizian, Masanobu Tomita, Audrey Trent, Chris Trent, Jerry Trent, Guy Tsujimoto, and Bill Wistrom also worked on both of these films; T. Ashley Harvey and Miguel Rivera worked on the former. More recently, Williams worked on the film Bats (1999, with Dina Meyer and Bob Gunton) and The Outsider (2002, with Keith Carradine).