Under Salt Marsh

Morfa Halen is a tight-knit Welsh town precariously nestled between towering mountains and a fast-encroaching sea that threatens its very existence. As a once-in-a-generation storm begins to gather far out at sea, former detective turned teacher Jackie Ellis discovers the body of her 8-year-old pupil, Cefin, seemingly drowned. The discovery sends shockwaves through the community, reviving the ghost of an unsolved cold case that rocked the town three years prior - the disappearance of Jackie’s niece, Nessa, which cost her career.

Synopsis from TMDB

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Cast

Kelly Reilly

Jackie Ellis

Rafe Spall

Eric Bull

Naomi Yang

Jess Deng

Harry Lawtey

Dylan Rees

Dino Fetscher

Gareth Morgan

Dinita Gohil

Nisha Jones

Kimberley Nixon

Shell Hill

Julian Lewis Jones

Osian Northam

Cast and crew data from TMDB