A&E Presents: The Long Island Serial Killer

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Louise Osmond

Director

Tracy Thorne

Narrator

Mari Gilbert

Self - Shannan's mother

Michael Pak

Self - Shannan's driver

Gus Coletti

Self - Oak Beach resident

Sherre Gilbert

Self - Shannan's sister

Alex Diaz

Self - Shannan's boyfriend

Richard Dormer

Self - Suffolk County Police Commissioner

Lorraine Ela

Self - Megan's mother

Kimberly Overstreet

Self - Former escort and Amber's sister

Daniel Conley

Self - Suffolk District Attorney, MA

Dave Schaller

Self - Amber's roommate

Lynn Barthelemy

Self - Melissa's mother

Jeff Martina

Self - Melissa's step-father

Amanda Funderburg

Self - Melissa's sister

Steven Cohen

Self - Barthelemy family lawyer

Melissa Cann

Self - Maureen's sister

Melissa Barthelemy

Self - Victim

Scott Bonn

Self - Expert Criminologist

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