Danny Baldwin
(Self - Lead Detective, Somerset Major Crimes Unit 2003 - 2006),
Amy Loughren
(Self - Nurse, Somerset Medical Center 2001 - 2004),
Bruce Ruck
(Self - Toxicologist),
Sharon Jones
(Self - Niece of Helen Dean),
Pat Medellin
(Self - Nurse, St. Luke's Hospital 2002 - 2004),
Donna Hargreaves
(Self - Nurse, Somerset Medical Center 2000 - 2014),
Florian Gall
(Self - Murder Victim),
Helen Dean
(Self - Murder Victim),
Larry Dean
(Self - Son of Helen Dean),
Vanessa Tyler
(Self - Reporter),
Steven Marcus
(Self - Medical Director, Poison Control Center 1983 - 2016),
Charles Cullen
(Self),
Tim Braun
(Self - Commander, Somerset Major Crimes Unit 2002 - 2005),
Charles Graeber
(Self - Author, The Good Nurse),
Lucille Gall
(Self - Father Gall's Sister),
Dennis Miller
(Self - CEO & President, Somerset Medical Center),
Mike Ray
(Tim Braun),
Lindsay Townley
(Florian Gall)