출연진
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)