Donna Anita Nikolaisen

Drama Series - 2021, 16 episodes • as Estate Agent

The lives of a Dublin family embroiled in a gangland war and the consequences of their choices.

Drama Series - 2020, 16 episodes • as Catherine Grant

Two young Finnish women in London are drawn inexorably together via the Studio - a clandestine group dedicated to bringing justice to those beyond the law. But, as their battle against exploitation, violence and corporate greed intensifies, will the Studio's ends continue to justify its means?

Drama Series - 2018, 16 episodes • as Louisa Short

Cat Hogan returns to West Meath upon her mother's sudden death - she has an accident at home and died (or was it an accident?). Blood is about old secrets, older betrayals, mind games and the lies family tell each other.

Movie - 2019, 2h 15m • as Grace Ture

Orphaned in Africa as a child, Lilly escapes to England as a refugee, fleeing civil war in Ethiopia. Lost in this cold new world, Lilly embraces the immigrant community in London, attempting to reunite people with their scattered families. But as her friend Amina discovers, Lilly's mission isn't purely selfless: a passionate lost love affair is revealed.

Movie - 2025, 2h 15m • as Biology Teacher

Sisters September and July share an intense bond, speaking in a secret language and keeping the outside world at a distance. After September is suspended from school, their mother brings them to a remote house on the Irish coast—where July begins to resist her sister’s increasingly sadistic control.

Movie - 2021, 2h 15m • as Paige Monaghan

Brooke Bennett goes to Ireland for Christmas to search for her Irish roots. While there, she meets Aiden Hart, Earl of Glaslough. Mistaken for an elite event planner, she’s hired to host his castle’s epic Christmas party.

Movie - 2019, 2h 15m • as Herself - Air Hostess

Daniel Murphy is lumbered with a corpse that has the same last name as his, who dies on his flight from Boston to County Cork. Travelling back to Ireland to attend his mother’s funeral, Daniel also checks on his autistic brother. What follows is an unconventional road trip with his brother and the mortuary assistant as they take the coffin from Clonakilty to Rathlin Island.

Movie - 2018, 2h 15m • as The Countess

Sara's dream of finding the perfect mate is realized when boyfriend Daniel proposes marriage, but there is one tiny hitch. It turns out he is the real-life prince of a small European monarchy, and his marriage requires the approval of his royal parents. Commoner Sara will have to do more than simply impress the in-laws-to-be. If she wants to become Daniel’s wife, she’ll have to prove she’s got all the makings of an honest-to-goodness princess.

Movie - 2024, 2h 15m • as Amara

An ageing Elvis impersonator finally faces up to his demons as he travels through the Irish midlands with his long-lost brother, who has recently quit his life in a monastery.

Movie - 2009, 2h 15m • as Young Woman (as Donna Nikolaisen)

Ten horror tales about the strange and sinister goings-on in the Hotel Darklight: Lonely Hearts (written and directed by Ciaran Foy); Hotel Training (written by Maura McHugh and directed by Conor McMahon); Prejudice (written and directed by Paul Walker); St. Mary (written by Gerry Creehan and Paul Markey and directed by Brian O'Toole); Play Dead (written and directed by James Phelan); Heaven in a Wildflower (written by Sinead Fagan and directed by Dolores Rice); Regards to the Chef (written by Eilis Mernagh and directed by Kian Petit and Ewan Petit); Noughts and Crosses (written by Barry McLoughlin and directed by Alan Brennan); You Beta Your Bollix (written by T.C. Director and directed by Ian Whelan); Better the Derval You Know (written by Paul Markey and directed by Brian O'Toole).