From Ros Muc, Conamara in the west of Ireland, Bhreathnach wrote and directed short film Adulting.
In 2017, Bhreathnach wrote and directed Native,[3] a short film shot in Ireland starring Patrick Bergin.
[5] Native was produced by Linda Bhreathnach and by Marina Donahue[6] of Corner Bar Pictures.
[10] In 2021, Linda wrote the screenplay 'Girleen' a contemporary film on the life of women and girls in the modern world.
She played the part as "Róise de Burca" in the long-running soap opera Ros na Rún.