| 1 | | | Year One |
| | | | Billie Jean |
| | Barbara | Pearce | Ines' roommate. |
| | Ines | Murillo | A protagonist. |
| | Billie Jean | | A snail. |
| | Viktoria | Varga | The director at Catherine House. |
| | M. | Day | The dean of student life at Catherine House. |
| | Kimmy | Tannenbaum | The usher. |
| | Mr. | Gonzalez | A chemistry teacher. |
| | Yaya | Osmond | One of the students at Catherine House. |
| | Mariah | Carey | American singer-songwriter. |
| | | | Coming In |
| | Mandy | | Ines' acquaintance. |
| | Theo | Williams | A first-year student at Catherine House. |
| | Nick | Townsend | Theo Williams' friend. |
| | M. | Neptune | The director of the new materials concentration. |
| | Crystal | | One of the skanks. |
| | Henry | Vu | One of the first-year students at Catherine. |
| | Anna | Montgomery | One of the students at Catherine House. |
| | Howard | Gardner | American psychologist. |
| | Barbara | Walters | American broadcaster. |
| | M. | Shiner | A researcher. |
| | M. | Owens | A professor. |
| | M. | David | The grade dean at Catherine House. |
| | | | The Tower |
| | Diego | Jimenez | One of the students at Catherine House. |
| | Andie | | A second-year student at Catherine House. |
| | M. | Amsel | A professor. |
| | Jason | | Baby's admirer. |
| | Daphne | | Viktória's assistant. |
| | Russ | | The aide. |
| | | | Baby |
| | M. | Tran | A professor. |
| | Alexander | Rodchenko | Russian artist. |
| | Burt | | M. Neptune's friend. |
| | M. | Donna | A professor. |
| | Paola | | One of the international students at Catherine House. |
| | Lewis | Hine | American sociologist. |
| | Frederick | Sommer | An artist born in Angri, Italy. |
| 2 | | | Year Two |
| | | | Futurism |
| | Claudia | Schiffer | German model. |
| | M. | Rogers | A professor in Russian and Italian futurism clas. |
| | Giacomo | Balla | Italian painter, art teacher and poet. |
| | Umberto | Boccioni | An influential Italian painter and sculptor. |
| | Constantin | Brâncuși | A Romanian sculptor, painter and photographer. |
| | Bunny | | Yaya's acquaintance. |
| | William | Shakespeare | An English playwright, poet, and actor. |
| | Robert | | Anna's crush. |
| | Sophie | | Theo's date. |
| | | | Omens |
| | Sandy | | A student at Catherine House. |
| | M. | Olsen | A professor. |
| | Steven | Charleston | A retired American Episcopal bishop and academic. |
| | David R. | Kinsley | A professor of Religion at McMaster University. |
| | Andrea | | One of the students at Catherine House. |
| | Marina | | One of the students at Catherine House. |
| | Glo | | Yaya's acquaintance. |
| | Johan Hendrik | Weissenbruch | A Dutch painter. |
| | Julie | Andrews | An English actress, singer and author. |
| | Ann-Margret | | American-Swedish actress. |
| | | | Gerald |
| | Alex | Trebek | American-Canadian television personality. |
| | Agnes | Martin | Fine art artist. |
| | Franz | Liszt | Hungarian composer. |
| | Frédéric | Chopin | Polish composer. |
| | M. | Lee | A professor. |
| | Raphael | | Diego's acquaintance. |
| | Gerald | | A mouse. |
| 3 | | | Year Three |
| | | | The Wedding |
| | M. | Luther | Diego's advisor. |
| | Homer | | The presumed author of the Iliad and the Odyssey. |
| | Sigmund | Freud | Austrian neurologist. |
| | Yves | Tanguy | French surrealist painter. |
| | Deandra | | A second-year student at Catherine House. |
| | Duran | Duran | An English new wave band. |
| | | | SOS |
| | ABBA | | A Swedish pop supergroup formed in Stockholm in 1972. |
| | Amy | | A rabbit. |
| | | | Untitled |
| | George | | A new materials concentrator. |
| | Ursula | | A first-year student giving tattoos. |
| | M. | Linus | A professor. |
| | Maria | | An aide. |
| | | | Glo |
| | Alexander | | One of the students at Catherine House. |
