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Lynn Barthelemy

IMDbProStarmeterSee rank
Lynn Barthelemy
Killing Grounds: The Gilgo Beach Murders
Play trailer2:07
Killing Grounds: The Gilgo Beach Murders (2026)
1 Video
1 Photo
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  • View contact info at IMDbPro

    • Known for

    Monster: Hunting the Long Island Serial Killer (2025)
    Monster: Hunting the Long Island Serial Killer
    Podcast Series
    • Self - Interviewee
    • 2025
    The Killing Season (2016)
    The Killing Season
    7.4
    TV Series
    • Self - Melissa's Mother
    Killing Grounds: The Gilgo Beach Murders (2026)
    Killing Grounds: The Gilgo Beach Murders
    6.6
    TV Series
    • Self - Mother of Melissa Barthelemy
    48 Hours (1988)
    48 Hours
    7.5
    TV Series
    • Self - Melissa's Mother

    Credits

    IMDbPro

    Self

    • Killing Grounds: The Gilgo Beach Murders (2026)
      Killing Grounds: The Gilgo Beach Murders
      6.6
      TV Series
      • Self - Mother of Melissa Barthelemy
      • 2026
    • Monster: Hunting the Long Island Serial Killer (2025)
      Monster: Hunting the Long Island Serial Killer
      Podcast Series
      • Self - Interviewee
      • 2025
    • The Killing Season (2016)
      The Killing Season
      7.4
      TV Series
      • Self - Melissa's Mother
      • 2016
    • A&E Presents: The Long Island Serial Killer (2011)
      A&E Presents: The Long Island Serial Killer
      6.2
      TV Movie
      • Self - Melissa's mother
      • 2011
    • 48 Hours (1988)
      48 Hours
      7.5
      TV Series
      • Self - Melissa's Mother
      • 2011

    Archive Footage

    • The Gilgo Beach Killer: House of Secrets (2025)
      The Gilgo Beach Killer: House of Secrets
      6.7
      TV Mini Series
      • Self - Melissa Barthelemy's Mother (archive footage)
      • 2025
    • Maria Alessi in Gone Girls: The Long Island Serial Killer (2025)
      Gone Girls: The Long Island Serial Killer
      7.1
      TV Mini Series
      • Self - Mother of Melissa Barthelemy (archive footage)
      • 2025
    • Deborah Roberts and David Muir in 20/20 (1978)
      20/20
      6.8
      TV Series
      • Self - Mother of Melissa Barthelemy (archive footage)
      • 2023
    • TMZ Investigates: Gilgo Beach Serial Murders: Missed Warning Signs (2023)
      TMZ Investigates: Gilgo Beach Serial Murders: Missed Warning Signs
      6.6
      TV Special
      • Self - Melissa's Mother (archive footage)
      • 2023
    • Hunting the Long Island Serial Killer (2023)
      Hunting the Long Island Serial Killer
      TV Special
      • Self - Mother of Melissa Barthelemy (archive footage)
      • 2023
    • HUNT: The Gilgo Beach Killer (2023)
      HUNT: The Gilgo Beach Killer
      6.8
      TV Special
      • Self - Melissa's Mother (archive footage)
      • 2023
    • Unraveled (2021)
      Unraveled
      7.1
      Podcast Series
      • Self - Mother of Melissa Barthelemy (archive footage, voice)
      • 2021

    Videos1

    Killing Grounds: The Gilgo Beach Murders
    Trailer 2:07
    Killing Grounds: The Gilgo Beach Murders

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