- Bill Marigold - an HFD fire-fighter who died during the Hunter Meteor Storm
- Bill McShaw - co-owner of the Second Chance Bistro.
- Bill Rand - a nurse at the Hessberg Medical Center who stole chemotherapy drugs.
- Bill Phillips - a resident of Haven whom Vince Teagues suspected might be Jennifer Mason's biological father
- William - Patient at the Murray Q. Frederikson Psychiatric Facility 
- Will Brady - Victim of the Bolt-Gun Killer
- William - a mysterious stranger connected to The Barn, and the titular character of the season 4 episode "William"