| Mortimer | Adler | A philosopher. |
| Eric | Bumstead | Mrs. Bumstead's son. |
| Prudence | Bumstead | Padraig's secretary. |
| William | Butler-Yeats | A famous poet. |
| Father | Carmody | The Knight brother's close friend. |
| Baron | Corvo | A Polish poet. |
| F. Marion | Crawford | A famous author. |
| Fritz | Davis | Deirdre's husband. |
| Maurice | Devereux | Legal counsel to the university. |
| T.S | Eliot | A catholic author. |
| Brian | Elliott | One of James's sons. Melissa's classmate. |
| Diane | Elliott | James's wife. |
| Dolores | Elliott | James's daughter. |
| Gregory | Elliott | James's son. |
| James | Elliott | Owner of Elliott's waste. The school's donator. |
| William | Elliott | James's son. |
| Joe | Evans | Director of the Jacques Maritain Center. |
| Becky | Fontana | One of Roger's English class students. |
| Lady Anne | Gregory | The girl in W.B. Yeats's poem. |
| Robert | Hutchins | An educational philosopher. |
| Henry | James | A famous author. |
| Arne | Jensen | Kilmartin's student. The boy who likes Melissa. |
| Pope | Joan | The director. |
| Martin | Kilmartin | A young Notre Dame professor. Deceased. |
| Joyce | Kilmer | A famous poet. |
| Philip | Knight | Roger's brother. |
| Roger | Knight | Kilmartin's colleague. A professor. |
| Chief | Kocinski | Chief of Police. |
| Deirdre | Lacey | Kilmartin's girlfriend. The girl that Padraig likes. |
| Xavier | Laxalt | Maloney's lawyer. |
| Father | MacAvoy | The archivist. |
| Kathleen | Maloney | Padraig's mother. |
| Padraig | Maloney | Sit-in Director of Celtics studies. |
| Patrick | Maloney | Padraig's father. |
| Charles | O'Donell | The Notre Dame President. |
| Frank | O'Mally | O'Neill's predecessor. |
| Louise | O'Neill | Malachy's sister. |
| Malachy | O'Neill | Professor of English. James's teacher. |
| Gilbert | Plaisance | A private detective. |
| Geoffrey | Sauer | The person hired. A joyce scholar. |
| Katie | Schwenk | The witness on Kilmartin's case. |
| Melissa | Shaw | A graduate student who discovered Kilmartin's body. |
| David | Simmons | One of the school's fundraisers. |
| Lefty | Smith | A former hockey coach. |
| Father | Sorin | The priest at the university. |
| Jimmie | Stewart | A South Bend detective. |
| Donald | Weber | A Midlothian professor. |
| Greg | Whelan | Assistant university archivist. |
| Bobbie | | The man who stole Fritz's bike. |
| Branigan | | In charge of the building when Kilmartin died. |
| Hupp | | The medical examiner. |
| Millie | | The bartendress. |
| Molly | | Fritz's girlfriend. |