A 'hidden gem' series with a How to Get to Heaven From Belfast star is available to watch on ITV X now. New series How to Get to Heaven from Belfast has claimed the number one position on the Netflix streaming chart, with viewers eager to get their next show fix. The comedy thriller , created by Derry Girls writer Lisa McGee , features talented Northern Ireland actress Roisin Gallagher as Saoirse in the show. And for fans hoping to see more of Roisin's, 38, work, they need look no further.