Seamus is a graduate of Queen’s University, Belfast. Immediately after graduating he was cast in BBC NI’s drama 6 Degrees, playing Gary Meadows for three seasons.
Screen credits include Stranger With A Camera for Fizzblister Films, Game of Thrones for HBO, My Mother and Other Strangers for BBC/PBS, Agatha and the Truth of Murder (Darlow Smithson Productions) and Mandrake (Village Films). Seamus has worked consistently with Northern Ireland Screen in various critically acclaimed short films including Dinosaurs, The Captors (Six Mill Hill Productions), Dust (Northern Ireland Screen), An Irish Goodbye (Goldfinch UK/Floodlight Pictures) and with Oscar-winning filmmaker Oorlagh George on Off Sides. Seamus most recently filmed feature The Northman directed by Robert Eggers for New Regency Productions/Focus Features.
Stage credits include the role of Manus in the National Theatre’s acclaimed production of Translations, directed by Ian Rickson, the role of Mitch in A Streetcar Named Desire, Seamus Heaney’s Station Island and Patrick Kavanagh’s The Great Hunger, all for the Lyric Belfast, and Owen McCafferty’s Mojo Mickybo for Bedlam Theatre.