Ann Dowd Sister Margarita Actor Essie Davis Sister Iphigenia Actor Jessica Barden Sister Carla Actor Sam Reid Ignatius Actor Kate Mulvany Frankie Jones Actor Sigrid Thornton Rose Stanford Actor John Bell Bishop Malone Actor Asha Boswarva Young Margarita Actor Brad McMurray Actor Sarah Woods Actor Daniel Henshall Sergeant Barnaby Actor Damon Herriman Father Bob Actor Diesel La Torraca Ben Jones Actor Tahki Saul Father Malachi Actor Ezekiel Simat Jeremiah Actor Meegan Warner Young Iphigenia Actor Eddie Baroo Actor Jeffrey Walker Director Sarah Lambert Writer, Producer Elisa Argenzio Producer Helen Bowden Executive Producer Penny Win Executive Producer Deborah Peart Film Editor Bryony Marks Music Jason Stephens Executive Producer