Very Scary People S2-S5

Brett Kelly

as Director

Renee Cullen

as Director

Desma Simon

as Director

Donnie Wahlberg

as Self - Host

Casey Jordan

as Self - Criminologist

Casey Jordan

as Self - Criminologist & HLN Contributor

Joey Jackson

as Self - CNN Legal Analyst

Joey Jackson

as Self - CNN & HLN Legal Analyst

Joey Jackson

as Self - Legal Analyst

Mary Ellen O'Toole

as Self - Retired Senior FBI Profiler

Mary Ellen O'Toole

as Self - Former FBI Profiler

James Gagliano

as Self - Retired FBI Supervisory Special Agent

James Gagliano

as Self - Retired FBI Agent

James Gagliano

as Self - CNN Law Enforcement Analyst

Geoff Schumacher

as Self - V.P. of Exhibits and Programs, The Mob Museum

Geoff Schumacher

as Self - V.P. of Exhibits and Programming, The Mob Museum

Christopher Holstege

as Self - Toxicology Expert, University of Virginia

Christopher Holstege

as Self - Co-Author, 'Criminal Poisoning'

John Wayne Gacy

as Self - Convicted Serial Killer

Larry King

as Self - Television Host

Sammy Gravano

as Self - Mafia Informant

Robert Graysmith

as Self - Author 'The Sleeping Lady'

Robert Graysmith

as Self - Cartoonist, San Francisco Chronicle

Robert Graysmith

as Self - Author, 'Zodiac: The Shocking True Story'

Anthony M. DeStefano

as Self - Author, 'Gotti's Boys'

Stephen Singular

as Self - Author, 'Anyone You Want Me to Be'

Jeff Guinn

as Self - Author, 'The Road to Jonestown'

Jeff Guinn

as Self - Author, 'Manson: The Life and Times of Charles Manson'

Larry McShane

as Self - Reporter, New York Daily News

Juliet Papa

as Self - Reporter, 1010 Wins Radio

George Gabriel

as Self - Special Agent Investigator, FBI

George Gabriel

as Self - Former Special Agent, FBI

Brett Kelly

as Writer