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.

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Details

First aired

30 Jan 2026

Seasons

1

Episodes

6

• TMDB 6.6

Last aired

27 Feb 2026

Genres

• Crime
• Mystery

Status

Ended

More details

Network

Sky One

Episode runtime

1 h

Countries

• GB

Original language

en

Original title

Under Salt Marsh

Creators

Claire Oakley

Cast

Kelly Reillyas Jackie EllisRafe Spallas Eric BullNaomi Yangas Jess DengHarry Lawteyas Dylan ReesDino Fetscheras Gareth MorganDinita Gohilas Nisha JonesKimberley Nixonas Shell HillJulian Lewis Jonesas Osian NorthamJonathan Pryceas Solomon BevanLeisa Gwenllianas Kath Bevan

Writers

NLNikita LalwaniJHJonathan HarbottleClaire Oakley

Composer

SÄSuvi-Eeva ÄikäsBen Salisbury

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