Cormac MacDiarmadaActingNo biography available.Known ForThe Trick RoomFan ClubNo Nerds have favorited Cormac MacDiarmada yet — be the first.All fan clubsFrom NerdspinFilmographyActor2Upcoming12026Celtic UtopiaFilmSelf2025Lankum @ Les Eurockéennes de Belfort 2025FilmSelf