On the Sea
In a rural town in North Wales, mussel harvester Jack has been married to his wife Maggie for over half of his life. He is troubled by his son Tom, who has little interest in the family trade. When Jack crosses paths with Daniel, an itinerant deckhand, their attraction poses an impossible dilemma.
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Cast
19 people
Barry Ward
Jack
Known for
Bad Sisters
The End of the F***ing World
Lorne MacFadyen
Daniel
Known for
Vigil
Pistol
Liz White
Maggie
Known for
The Woman in Black
Life on Mars
Henry Lawfull
Tom
Known for
A Boy Called Christmas
The Count of Monte Cristo
Celyn Jones
Dyfan
Known for
Manhunt
Submergence
Leisa Gwenllian
Lois
Known for
Under Salt Marsh
Danny Webb
Bernie
Known for
A Knight of the Seven Kingdoms
Humans
Callum Hymers
Rhys
Known for
Peter Pan's Neverland Nightmare
Sheldon Jones
Billy
Tristan Jones
Ioan
Also in
Madfabulous
Kieran Roberts
Finn
Lisa Jên Brown
Iris
Also in
Staying
The Almond and the Seahorse
Helen Walsh Director · Felix Rösch Composer Sam Goldie Cinematographer
First release August 16, 2025 · Produced in United Kingdom
Production
Red Union Films
Production
United Kingdom
Produced in
Languages
Original language
English
Spoken on screen
English
Release dates
United Kingdom · August 16, 2025
Premiere · Edinburgh International Film Festival
United Kingdom · July 24, 2026
Theatrical
No release date listed for United States.
Australia
February 18, 2026 · Premiere · Mardi Gras Film Festival
May 9, 2026 · Premiere · Geelong Pride Film Festival
Belgium
August 26, 2026 · Theatrical
France
November 21, 2025 · Theatrical · Festival Chéries Chéris
August 26, 2026 · Theatrical
Germany
October 16, 2026 · Premiere · Hamburg International Queer Film Festival
November 5, 2026 · Theatrical
South Korea
November 6, 2026 · Premiere · Seoul International Pride Film Festival
United Kingdom
November 1, 2025 · Premiere · Belfast Film Festival
Some details come from TheTVDB.