TMZ Investigates: Gilgo Beach Serial Murders: Missed Warning Signs - Cast

Cast	+ Add Cast
38 cast members

Name	Known for
Lynn Barthelemy Self - Melissa's Mother (archive footage) Self - Melissa's Mother (archive footage) See fewer	The Killing Season (2016)
Melissa Barthelemy Self - Murder Victim (archive footage) Self - Murder Victim (archive footage) See fewer	True Stories (1988)
Scott Bonn Self - Criminologist Self - Criminologist See fewer	Legend Hunter (2019)
Maureen Brainard-Barnes Self - Murder Victim (archive footage) Self - Murder Victim (archive footage) See fewer
Nikkie Brass Self - Hair Stylist & Former Escort Self - Hair Stylist & Former Escort See fewer	Gone Girls: The Long Island Serial Killer (2025)
Michael J. Brown Self - Rex Huermann's Attorney (archive footage) Self - Rex Huermann's Attorney (archive footage) See fewer
James Burke Self - Former Suffolk County Police Chief (archive footage) Self - Former Suffolk County Police Chief (archive footage) See fewer	Gilgo Beach: Unsolved (2020)
Melissa Cann Self - Maureen Brainard-Barnes's Sister (archive footage) Self - Maureen Brainard-Barnes's Sister (archive footage) See fewer	The Killing Season (2016)
Steven Cohen Self - Barthelemy's Family Attorney Self - Barthelemy's Family Attorney See fewer	TMZ Investigates: Gilgo Beach Serial Murders: Missed Warning Signs (2023)
Amber Costello Self - Murder Victim (archive footage) Self - Murder Victim (archive footage) See fewer
Gary Depass Self - New York State Trooper Self - New York State Trooper See fewer	TMZ Investigates: Gilgo Beach Serial Murders: Missed Warning Signs (2023)
Asa Ellerup Self - Rex Heuermann's Second Wife (archive footage) Self - Rex Heuermann's Second Wife (archive footage) See fewer
Nicholas Ferchaw Self - Rex Heuermann's Neighbor Self - Rex Heuermann's Neighbor See fewer	TMZ Investigates: Gilgo Beach Serial Murders: Missed Warning Signs (2023)
Angela Fradkin Self - Valerie Mack's Sister Self - Valerie Mack's Sister See fewer	TMZ Investigates: Gilgo Beach Serial Murders: Missed Warning Signs (2023)
Shannan Gilbert Self - Murdered Sex Worker (archive footage) Self - Murdered Sex Worker (archive footage) See fewer
Sherre Gilbert Self - Shannon Gilbert's Sister Self - Shannon Gilbert's Sister See fewer	Disappeared (2009)
Aaliyah Bell Hall Self - Missing Girl (archive footage) Self - Missing Girl (archive footage) See fewer
Rodney Harrison Self - Suffolk County Police Commisioner Self - Suffolk County Police Commisioner See fewer	NFL Monday Night Football (1970)
Rex Heuermann Self - Convicted Killer (archive footage) Self - Convicted Killer (archive footage) See fewer	L'Interview by Antoine (2021)
Victoria Heuermann Self - Rex Heuermann's Daughter (archive footage) Self - Rex Heuermann's Daughter (archive footage) See fewer	Gone Girls: The Long Island Serial Killer (2025)
Charles Latibeaudiere Self - TMZ Executive Producer Self - TMZ Executive Producer See fewer	Veronica Mars (2014)
Harvey Levin Self - TMZ Executive Producer Self - TMZ Executive Producer See fewer	Volcano (1997)
Phil McGraw Self - Talk Show Host & Phycologist Self - Talk Show Host & Phycologist See fewer	Scary Movie 4 (2006)
Vess Mitev Self - Heuermann Children's Attorney (archive footage) Self - Heuermann Children's Attorney (archive footage) See fewer
Maureen O'Connell Self - Former FBI Agent Self - Former FBI Agent See fewer	FBI (2018)
John Parisi Self - Rex Heuermann's Schoolmate Self - Rex Heuermann's Schoolmate See fewer	Gone Girls: The Long Island Serial Killer (2025)
Allie Pertel Self - Megan Waterman's Sister (archive footage) Self - Megan Waterman's Sister (archive footage) See fewer
Eryn Pickett Self - Aaliyah Bell Hall's Aunt Self - Aaliyah Bell Hall's Aunt See fewer	TMZ Investigates: Gilgo Beach Serial Murders: Missed Warning Signs (2023)
John Ray Self - Gilbert's Family Attorney Self - Gilbert's Family Attorney See fewer	ITV Weekend News (1955)
David Roger Self - Fromer Clark County District Attorney Self - Fromer Clark County District Attorney See fewer	The UnXplained (2019)
Bonnie Sasse Self - Amber Costello's Aunt Self - Amber Costello's Aunt See fewer	HUNT: The Gilgo Beach Killer (2023)
Dave Schaller Self - Amber Costello's Roomate Self - Amber Costello's Roomate See fewer	The Killing Season (2016)
Christopher Sheridan Self - Rex Heuermann's Step Son (archive footage) Self - Rex Heuermann's Step Son (archive footage) See fewer
Tom Spota Self - Former Suffolk County District Attorney (archive footage) Self - Former Suffolk County District Attorney (archive footage) See fewer
Ray Tierney Self - Suffolk County District Attorney Self - Suffolk County District Attorney See fewer	Sunday Agenda (2023)
Errol Toulon Self - Suffolk County Sheriff Self - Suffolk County Sheriff See fewer	ID Special Report: The Long Island Serial Killer (2023)
Rob Trotta Self - Former Suffolk County Detective Self - Former Suffolk County Detective See fewer	Unraveled (2021)
Megan Waterman Self - Murder Victim (archive footage) Self - Murder Victim (archive footage) See fewer