Michael Fassbender Arló Ó Cairealláin Norman Matt / Norman Matt / Norman Matt Josie Walker Detective Ellis Heike Schroetter Donagh Deeney Onkel Peadar Reinhard Scheunemann Fionnuala Flaherty Caitlin Marieke Oeffinger Cathal Mercer Fra Daniel Welbat Jessica Reynolds Georgia Olivia Büschken Simone Kirby Dolores Debora Weigert