Movie6.5The Investigation of Lucy Letby
2026
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Charlie Cullen was an experienced registered nurse, trusted and beloved by his colleagues at Somerset Medical Center in New Jersey. He is also one of history’s most prolific serial killers, with a body count potentially numbering in the hundreds across multiple medical facilities in the Northeast.
Charles Cullen
Self (archive footage)
Amy Loughren
Self - Nurse, Somerset Medical Center, 2001-2004
Donna Hargreaves
Self - Nurse, Somerset Medical Center, 2000-2014
Dr. Bruce Ruck
Self - Toxicologist
Tim Braun
Self - Commander, Somerset Major Crimes Unit, 2002-2005
Danny Baldwin
Self - Lead Detective, Somerset Major Crimes Unit, 2003-2006
Charles Graeber
Self - Author, 'The Good Nurse'
Dr. Steven Marcus
Self - Medical Director, Poison Control Center, 1983-2016
Pat Medellin
Self - Nurse, St. Luke's Hospital, 2002-2004
