Donnellan's second novel "Fisherman’s Blues" enjoyed positive reviews, and Donnellan was employed as a joint-screenwriter on the Tiger Raid project alongside writers Simon Dixon and Gareth Coulam Evans. The film was made in the Jordanian desert. Tiger Raid was directed by Dixon, and stars Brian Gleeson, Damian Molony and Sofia Boutella. It was accepted into the Tribeca Film Festival, Cannes and Edinburgh, and the Irish Premiere was screened at the Galway Film Fleadh.
