Long Island Serial Killer - Production & Contact Info

Cast	+ Add Cast
55 cast members

Name	Known for
David Muir Self - Co-Host Self - Co-Host See fewer	Life (I) (2017)
Deborah Roberts Self - Co-Host & Contributing Anchor 20 / Self - 20 Self - Co-Host & Contributing Anchor 20 / Self - 20 See fewer	The Wayne & Shuster Comedy Special (1967)
Robert Kolker Self - Author, 'Lost Girls' Self - Author, 'Lost Girls' See fewer	Bad Education (2019)
John Ray Self - Gilbert Family Attorney Self - Gilbert Family Attorney See fewer	The Gilgo Beach Killer: House of Secrets (2025)
Alex Diaz Self - Boyfriend of Shannan Gilbert Self - Boyfriend of Shannan Gilbert See fewer	20/20 (1978)
Rachel Mills Self - Executive Producer, 'The Killing Season' Self - Executive Producer, 'The Killing Season' See fewer	The Magnitudinous Illuminous (2018)
Joshua Zeman Self - Director, 'The Killing Season' Self - Director, 'The Killing Season' See fewer	Cropsey (2009)
Kristin Thorne Self - Investigative Reporter, WABC-TV, New York Self - Investigative Reporter, WABC-TV, New York See fewer	Missing (2021)
Stuart Cameron Self - Fmr. Commissioner, Suffolk County Police Dept. Self - Fmr. Commissioner, Suffolk County Police Dept. See fewer	Gone Girls: The Long Island Serial Killer (2025)
Josh Margolin Self - ABC News Chief Investigative Reporter Self - ABC News Chief Investigative Reporter See fewer	A Crime to Remember (2013)
Katherine Ramsland Self - Prof. of Forensic Psychology, DeSales University Self - Prof. of Forensic Psychology, DeSales University See fewer	The Alienist (2018)
Sara Karnes Self - Friend of Maureen Brainard Barnes Self - Friend of Maureen Brainard Barnes See fewer	Gone Girls: The Long Island Serial Killer (2025)
Paul McDuffie Self - Owner, Gilgo Beach Inn Self - Owner, Gilgo Beach Inn See fewer	The Pyramid (1976)
Anonymous Friend Self - Amber Costello's Former Friend Self - Amber Costello's Former Friend See fewer	20/20 (1978)
Richard Frankel Self - ABC News Contributor & Fmr. FBI Agent Self - ABC News Contributor & Fmr. FBI Agent See fewer	20/20 (1978)
Timothy Bolger Self - Editor in Chief, Long Island Press Self - Editor in Chief, Long Island Press See fewer	Monster: Hunting the Long Island Serial Killer (2025)
Bonnie Sasse Self - Aunt of Amber Costello Self - Aunt of Amber Costello See fewer	HUNT: The Gilgo Beach Killer (2023)
Geraldine Hart Self - Fmr. Commissioner, Suffolk County Police Dept. Self - Fmr. Commissioner, Suffolk County Police Dept. See fewer	Inside (2007)
Rodney Harrison Self - Commissioner, Suffolk County Police Dept. Self - Commissioner, Suffolk County Police Dept. See fewer	20/20 (1978)
Raymond Tierney Self - Suffolk County District Attorney Self - Suffolk County District Attorney See fewer	Gone Girls: The Long Island Serial Killer (2025)
Donald Ophals Self - Former Classmate of Rex Heuermann Self - Former Classmate of Rex Heuermann See fewer	20/20 (1978)
John Parisi Self - Former Classmate of Rex Heuermann Self - Former Classmate of Rex Heuermann See fewer	Gone Girls: The Long Island Serial Killer (2025)
Antoine Amira Self - Former YouTuber, 'Bonjour Reality' Self - Former YouTuber, 'Bonjour Reality' See fewer	The Gilgo Beach Killer: House of Secrets (2025)
Mary Shell Self - Former Employee of Rex Heuermann Self - Former Employee of Rex Heuermann See fewer	Crime Nation (2024)
Timothy Sini Self - Fmr. District Attorney, Suffolk County Self - Fmr. District Attorney, Suffolk County See fewer	Gone Girls: The Long Island Serial Killer (2025)
Robert Macedonio Self - Asa Ellerup's Attorney Self - Asa Ellerup's Attorney See fewer	The Gilgo Beach Killer: House of Secrets (2025)
Kerri Rawson Self - Daughter of Serial Killer 'BTK' Self - Daughter of Serial Killer 'BTK' See fewer	My Father, the BTK Killer (2025)
Nikkie Brass Self - Former Escort Self - Former Escort See fewer	Gone Girls: The Long Island Serial Killer (2025)
Michael Baden Self - Forensic Expert & Former Medical Examiner (archive footage) Self - Forensic Expert & Former Medical Examiner (archive footage) See fewer	God's Prayer (2007)
Lynn Barthelemy Self - Mother of Melissa Barthelemy (archive footage) Self - Mother of Melissa Barthelemy (archive footage) See fewer	Monster: Hunting the Long Island Serial Killer (2025)
Melissa Barthelemy Self - Murder Victim (archive footage) Self - Murder Victim (archive footage) See fewer
Maureen Brainard-Barnes Self - Murder Victim (archive footage) Self - Murder Victim (archive footage) See fewer
Joseph Brewer Self - Shannan Gilbert's Client (archive footage) Self - Shannan Gilbert's Client (archive footage) See fewer	Gilgo Beach: Unsolved (2020)
Michael Brown Self - Rex Heuermann's Attorney (archive footage) Self - Rex Heuermann's Attorney (archive footage) See fewer
James Burke Self - Former Chief of Police, Suffolk County (archive footage) Self - Former Chief of Police, Suffolk County (archive footage) See fewer	Gilgo Beach: Unsolved (2020)
Gus Coletti Self - Oak Beach Resident (archive footage) Self - Oak Beach Resident (archive footage) See fewer	Gone Girls: The Long Island Serial Killer (2025)
Amber Costello Self - Murder Victim (archive footage) Self - Murder Victim (archive footage) See fewer
Richard Dormer Self - Commissioner, Suffolk County Police Dept. (archive footage) Self - Commissioner, Suffolk County Police Dept. (archive footage) See fewer	The Killing Season (2016)
Lorraine Ela Self - Mother of Megan Waterman (archive footage) Self - Mother of Megan Waterman (archive footage) See fewer	Crime Watch Daily (2015)
Asa Ellerup Self - Rex Huermann's Wife (archive footage) Self - Rex Huermann's Wife (archive footage) See fewer	The Gilgo Beach Killer: House of Secrets (2025)
Mari Gilbert Self - Mother of Shannan Gilbert (archive footage) Self - Mother of Shannan Gilbert (archive footage) See fewer	Crime Watch Daily (2015)
Shannan Gilbert Self - Murder Victim (archive footage) Self - Murder Victim (archive footage) See fewer
Sherre Gilbert Self - Sister of Shannan Gilbert (archive footage) Self - Sister of Shannan Gilbert (archive footage) See fewer	Disappeared (2009)
Robert Hansen Self - Serial Killer (archive footage) Self - Serial Killer (archive footage) See fewer
Rex Heuermann Self - Suspected Serial Killer (archive footage) Self - Suspected Serial Killer (archive footage) See fewer	L'Interview by Antoine (2021)
Victoria Heuermann Self - Daughter of Rex Huermann & Asa Ellerup (archive footage) Self - Daughter of Rex Huermann & Asa Ellerup (archive footage) See fewer	The Gilgo Beach Killer: House of Secrets (2025)
Kathy Hochul Self - Governor, (D) New York (archive footage) Self - Governor, (D) New York (archive footage) See fewer	Veselka: The Rainbow on the Corner at the Center of the World (2024)
John Mallia Self - K-9 Unit, Suffolk County Police Dept. (archive footage) Self - K-9 Unit, Suffolk County Police Dept. (archive footage) See fewer
Jeff Martina Self - Stepfather of Melissa Barthelemy (archive footage) Self - Stepfather of Melissa Barthelemy (archive footage) See fewer	Monster: Hunting the Long Island Serial Killer (2025)
Michael Pak Self - Former Driver of Shannan Gilbert (archive footage) Self - Former Driver of Shannan Gilbert (archive footage) See fewer	A&E Presents: The Long Island Serial Killer (2011)
Dennis Rader Self - Serial Killer (archive footage) Self - Serial Killer (archive footage) See fewer	BTK: Confession of a Serial Killer (2022)
Dave Schaller Self - Friend of Amber Costello (archive footage) Self - Friend of Amber Costello (archive footage) See fewer	Monster: Hunting the Long Island Serial Killer (2025)
Christopher Sheridan Self - Son of Asa Ellerup (archive footage) Self - Son of Asa Ellerup (archive footage) See fewer	The Gilgo Beach Killer: House of Secrets (2025)
Thomas Spota Self - Suffolk County District Attorney (archive footage) Self - Suffolk County District Attorney (archive footage) See fewer	The Killing Season (2016)
Megan Waterman Self - Murder Victim (archive footage) Self - Murder Victim (archive footage) See fewer