Ratings per Episode
Votes per Episode
Killing Grounds: The Gilgo Beach Murders Episode Ratings Heatmap
| Avg | E1 | E2 | E3 | E4 | ||
|---|---|---|---|---|---|---|
| S1 | 7.6 | 7.4 | 7.6 | 7.3 | 8.0 |
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About
When a woman vanishes, police find bodies along Long Island's shore. Years of dead ends and overlooked victims stall the case until a new task force spots a suspect hiding in plain sight. With trial looming, insiders and families speak.
All Seasons
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Miniseries2026
7.67842h 51m
| Ep | Title | Rating | Yours | Votes | Runtime | |
|---|---|---|---|---|---|---|
| ▶ | 1 | Part One | 7.4 | 22 | 47 min | |
| ▶ | 2 | Part Two | 7.6 | 20 | 38 min | |
| ▶ | 3 | Part Three | 7.3 | 18 | 42 min | |
| ▶ | 4 | Part Four | 8.0 | 18 | 44 min |
Full Cast & Crew
Cast
Kristin Thorne Self - Investigative Reporter
Adrienne Corson Self - Former FBI Intelligence Officer
Dave Schaller Self - Former Roommate and Friend of Amber Costello
Lynn Barthelemy Self - Mother of Melissa Barthelemy
Ray Tierney Self - District Attorney - Suffolk County
John Ray Self - Criminal Lawyer, Self - Criminal Attorney
Sara Karnes Self - Friend of Maureen Brainard-Barnes
Stephen Udice Self - Troop L Commander - New York State Police
Donna Sturman Self - Former Secretary of Rex Heuermann, Self - Former Secretary to Rex Heuermann
Stevie Smith Self - Sister of Shannan Gilbert