Dominic Cooper and Sarah Bolger to Discuss Donegal-Shot Film ‘The Lightkeeper’ on The Late Late Show

Hollywood actors Dominic Cooper and Sarah Bolger are scheduled to appear on The Late Late Show on RTÉ One this Friday, February 20, 2026, to discuss their upcoming film, The Lightkeeper, which was filmed in County Donegal .

Filming Locations and Production Details

Filming for The Lightkeeper took place in 2023 in and around Inishowen, Donegal, including locations such as Malin Head and Culdaff . The film, initially titled Cry From the Sea, features Aidan Quinn alongside Cooper and Bolger . Local residents participated as extras during the production.

The Story of ‘The Lightkeeper’

The Lightkeeper is set in Ireland in 1924 and centers on Seamus Óg McGrinna (Dominic Cooper), a lighthouse keeper who lives a secluded life. The story explores how his carefully constructed isolation is disrupted by the arrival of three individuals: an American war widow, a housekeeper, and a local priest .

Premiere at the Dublin International Film Festival

The Lightkeeper will have its first screening at a sold-out event at the Dublin International Film Festival (DIFF) on Saturday, February 21, 2026 . The Dublin International Film Festival runs from February 19 to March 1, 2026, and features a lineup of prominent actors including Paul Rudd, Bill Nighy, Colin Farrell, and others .

Additional Stars at DIFF 2026

Other stars expected to attend the Dublin International Film Festival include Chris Colfer, Nick Jonas, Ciarán Hinds, Colin Morgan, Dominic Cooper, Sarah Bolger, Katie McGrath, Clare Dunne, Calam Lynch, Alice Krige, Aidan Gillen and Éanna Hardwicke .