Calificación
Reparto

James Garrett
Narrator (voice)

David Canter
Self - Criminal Psychologist

Joseph Kozenczak
Self (as Det. Joe Kozenczak)

Howard Markel
Self - Medical Historian

Liz Spikol
Self - Philadelphia Weekly

Beth Pitezel
Self - Grandaughter of Victim

Brenda Pitezel
Self - Grandaughter of Victim

H.H. Holmes
Self (archive sound)