| Name | Character | Episodes |
|---|---|---|
| Ann Dowd | Sister Margarita | 4 |
| Jessica Barden | Sister Carla | 4 |
| Essie Davis | Sister Iphigenia | 4 |
| Sam Reid | Ignatius | 4 |
| Brad McMurray | Moustached Man | 4 |
| Arianthe Galani | Abbess | 4 |
| Kate Mulvany | Frankie Jones | 3 |
| Diesel La Torraca | Ben Jones | 3 |
| Daniel Henshall | Sergeant Barnaby | 3 |
| Damon Herriman | Father Bob | 2 |
| Eddie Baroo | Groundsman | 2 |
| Ryan Bown | Younger Fisherman | 2 |
| Sigrid Thornton | Rose Stanford | 2 |
| Huw Higginson | Mr. Colquin | 2 |