Back row: Aisling Keogh and Dr Jonathon Linklater of the Irish Stammering Association with students, from left, Lydia McCrea, Shona Sullivan, Farrah Cleary, Niamh O’Brien, Aine Hyndman, Alice Patton, front, Noah Skelly and Andrew Myler. Photograph: Cyril Byrne

On an overcast but hot summer day, a group of young actors pair off at Dublin’s Liffey Trust Studios. They take turns leading each other around the ro(...)