Jacqueline Bynon

Self - Narrator

Skip Hollandsworth

Self - Writer, Texas Monthly

David Massey

Self - Former Investigator, Houston Police

Danny James

Self - Former Investigator, Houston Police

Ben Winkle

Self - Malley Winkle's Brother

Bernie Milligan

Self - Local Residents

Sidney Smith

Self - Former Investigator, Pasadena Police

Dan Furstenfeld

Self - Former Investigator, Houston Police

Sharon Derrick

Self - Forensic Anthropologist

Dean Corll

Self - Serial Killer

John Wayne Gacy

Self - Serial Killer

Wayne Henley

Self - Suspect

David Brooks

Self - Suspect

David Hilligiest

Self - Victim

Malley Winkle

Self - Victim

Mark Scott

Self - Victim

Homer Garcia

Self - Victim

Frank Aguirre

Self - Victim