Charles Cullen

as Self (archive footage)

Amy Loughren

as Self - Nurse, Somerset Medical Center, 2001-2004

Donna Hargreaves

as Self - Nurse, Somerset Medical Center, 2000-2014

Dr. Bruce Ruck

as Self - Toxicologist

Tim Braun

as Self - Commander, Somerset Major Crimes Unit, 2002-2005

Danny Baldwin

as Self - Lead Detective, Somerset Major Crimes Unit, 2003-2006

Charles Graeber

as Self - Author, 'The Good Nurse'

Dr. Steven Marcus

as Self - Medical Director, Poison Control Center, 1983-2016