1 | | | RED |
| Tim | | An ex- military. |
| Delia | Garrett | One of the patients. |
| Ita | Noonan | One of the patients. |
| Eileen | Devine | One of the patients. |
| Julia | Power | The narrator of the story. A nurse. |
| Nurse | Cavanagh | A junior nurse. |
| Noseless | Nichols | One of the stretcher-bearers. |
| Shaky | O'Shea | One of the stretcher-bearers. |
| Michael | Groyne | One of the stretcher-bearers. |
| Gladys | Horgan | One of Julia's great pals. |
| Sister | Finnigan | One of a lay nurses. |
| Sister | Luke | One of a lay nurses. |
| Dr. | Prendergast | An obstetrician. |
| Marie-Louise | Geoghan | A nurse. |
| Mr. | Noonan | Ita Noonan's husband. |
| Bill | Garrett | Delia's husband. |
| Sister | Benjamin | One of the nuns. |
| Sister | Benedict | One of the nuns. |
| Liam | Caffrey | Tim's friend. |
| Dr. K. | Lynn | A physician. |
| Bridie | Sweeney | Julia Power's helper. |
| Clarissa | | Delia Garrett's second daughter. |
| Mary | O'Rahilly | A new patient. |
| Dr. | MacAuliff | A general surgeon. |
| Granny | | Ita Noonan's neighbor. |
2 | | | BROWN |
| Father | Xavier | A retired Roman Catholic chaplain. |
| Father | Dominic | Father Xavier's successor. |
| Mr. | O'Rahilly | Mary O'Rahilly's husband. |
| Honor | White | Julia's new patient. |
| Mary | Pickford | Canadian-American actress. |
| Pope Benedict XVI | | Pope of the Catholic Church from 2005 to 2013. |
| Sean | Connolly | Irish republican and socialist who took part in the Easter Rising. |
| John | Brown | An American abolitionist leader. |
3 | | | BLUE |
| Dr. Carol | Jellett | A Family Medicine Specialist. |
| Richard | Wagner | German composer and conductor. |
| Miss | Ffrench-Mullen | Dr. Lynn's friend. |
| Eunice | | Mary O'Rahilly's daughter. |
4 | | | BLACK |
| Mrs. | Power | Julia and Tim's mother. |
| Barnabas | White | Honor White's son. |