| | | | Part One |
| 1 | Greer | Kadetsky | Protagonist. |
| | Faith | Frank | A feminist icon and activist. |
| | Cory | Pinto | Greer's childhood friend and boyfriend. Duarte Jr. |
| | John | Steers | Greer's off-camera roommate. |
| | Zee | Eisenstat | A freshman student. The girl that Greer befriended. |
| | Bennett | | One of the Students. |
| | Chloe | Shanahan | Greer's classmate. |
| | Darren | Scott-Tinzler | One of Greer's classmates. |
| | Dean | Harkavy | The School's dean. |
| | Ariel | Diski | A sophomore student. |
| | Melanie | Stapp | A behavioral therapist. |
| | Gloria | Steinem | An American Journalist. |
| | Sylvia | Frank | Faith's mother. |
| | Martin | Frank | Faith's father. |
| | Amelia | Bloomer | A magazine model. |
| | Opus | | A singer. |
| | Artemsia | Gentileschi | An Italian Baroque. |
| | Bessie | Coleman | The first woman who held a pilot's license. |
| | President | Beckerling | The current President. |
| | Rachel | Cardozo | The girl Zee picked for the woman who made a difference. |
| 2 | Donald | Malick | Greer's English Colloquium's professor. |
| | Becky | Sharp | A novelist. |
| | Benedita | Pinto | Cory's mother. |
| | Kelvin | Yang | Greer's dorm mate. A Korean-American drummer. |
| | Dog | | Kelvin's roommate. |
| | Rob | Kadetsky | Greer's father. |
| | Laurel | Blanken-Kadetsky | Greer's mother. |
| | Miss | Berger | Greer and Cory's former teacher. |
| | Nick | Fuchs | One of Greer and Cory's classmates. |
| | Elise | Botswick | The quiet girl in class. |
| | Ms. | Pac-man | One of Greer's teachers. |
| | Marisa | Claypool | One of Greer's classmates. |
| | Kristin | Velis | A member of the Lowly Koalas. One of Greer's classmates. |
| | John | | Rob and Laurel's farmer friend. |
| | Claudette | | John's wife. |
| | Alby | Pinto | Cory's brother. Aka: Genius Two. |
| | Donal | J. Sobol | An author. |
| | Lionel | | Cory's friend and classmate. |
| | Will | | Cory's friend and classmate. |
| | Clove | Wilberson | Cory's secret
Santa. A field hockey player. |
| 3 | Sab | | Cory's cousin. |
| | Hard | Harry | Beaverama's advice columnist. |
| | Brandon | Monahan | Greer's classmate. |
| | Jessica | Robbins | Greer's classmate. |
| | Taryn | | The recycling girl. |
| | Duarte | Pinto | Cory's father. |
| | | | Part Two |
| 4 | Dr L. | Ragni | A dentist. |
| | Miles | Legett | Alby's friend. |
| | Iffat | Khan | Faith's assistant. |
| | Wendy | Eisenstat | Zee's mother. |
| | Emmett | Shrader | The venture capitalist. |
| | Georgia | O'Keefe | A painter. |
| 5 | Marcella | Boxman | One of the researchers. |
| | Helen | Brand | One of the researchers. |
| | Tad | | Ben's colleague. |
| | Ben | Prochnauer | One of the researchers. |
| | Bonnie | Dempster | The old-guard second wavers. |
| | Evelyn | Pangborn | The old-guard second wavers. |
| | Kim | Russo | The COO's assistant. |
| | Kim | Gordon | A sonic youth member. A musician. |
| | Beverly | Cox | A shoe factory owner. |
| | Lincoln | Frank-Landau | Faith's son. |
| | Anne | McCauley | A state senator. |
| | Gemma | Braithwaite | A TV crime show female character. |
| 6 | McBride | | Cory's roommate. |
| | Maria | | Cory's aunt. |
| | Joe | | Cory's uncle. |
| | Elaine | Newman | Benedita's employer. |
| | Loffler | | One of Cory's roommates. |
| 7 | Richard | Eisenstat | Zee's father. |
| | Alex | Eisenstat | Zee's brother. |
| | Harry | Eisenstat | Zee's brother. |
| | Linda | Mariani | Judge Wendy's clerk. |
| | Alana | | The girl who de-virginized Zee. |
| | Marjorie | Albrecht | A therapist. |
| | Heidi | Klausen | One of Zee's colleagues. |
| | Shelly | Bray | Heidi's former R.A. |
| | Dog | | Zee's friend. |
| | Claudia | | Zee's roommate. |
| | Noelle | Williams | A guidance counselor. Zee's lover. |
| | Shara | Pick | One of Zee's students. |
| | Anthony | | One of Zee's students. |
| | Taylor | Clayton | One of Zee's students. |
| | Jean | | The nurse. |
| | Carl | Sagan | An American astronomer. |
| | | | Part Three |
| 8 | Morris | | Faith's driver. |
| | Gerry | Landau | Faith's ex-husband. Lincoln's father. |
| | Philip | Frank | Faith's twin brother. |
| | Sylvia | Frank | Faith and Philip's mother. |
| | Martin | Frank | Faith and Philip's father. |
| | Annie | Silvestri | Faith's former friend and roommate. |
| | Harry | Bell | A trumpet player. Faith's former lover. |
| | Hokey | Briggs | A comedian. Annie's boyfriend. |
| | Shirley | Pepper | Faith's colleague. |
| | Madeline | Shrader | Emmett's wife. |
| | Holt | Rayburn | A novelist. |
| | Benedict | Loring | The T.V. Host. |
| | Suki | Brock | The woman who kissed Faith. |
| | Olive | Mitchell | A high school intern at Bloomer. |
| | Will | Kelly | A democratic strategist. |
| | Alejandra | Sosa | A dynamic leader involved with human rights issues. |
| | Helen | Brand | Faith's former worker. |
| | Sue | | Faith's masseuse. |
| 9 | Lupe | Izurieta | Greer's colleague. |
| | Jeremy | Ingersoll | A salon owner. |
| | Ms. | Andromeda | A feminist psychic. |
| | Deena | Mayhew | Faith's new assistant. |
| | Mitch | Michaelson | A T.V. Host. |
| | | | Part 4 |
| 10 | Lourdes | | Zee's leader. |
| | Steve | | Zee's leader. |
| 12 | Doug | Paulson | The Shrader Capital COO. |
| | Trina | Delgado | The organizer on behalf of Charities in South America. |
| | Monica | Vendler | A Shrader Capital worker. |
| | Connie | Peshel | Emmet's secretary. |
| | Abby | Shrader | Emmett and Madeline's daughter. |
| 13 | Logan | Berry | The head teach at Valley tek. |
| | Jen | | Logan's girlfriend. |
| | Halley | Beatty | A valley tech crew. Cory's workmate. |
| | Peter | Wong | A valley tech crew. Cory's workmate. |
| | William | Cronish | One of Logan's customers. |
| | Lisa | Henry | One of Benedita's employers. |
| 15 | Emilia | | Cory and Greer's daughter. |
| | Kay | Chung | Emilia's babysitter. |
| | Lucy | McCauley-Gevins | Senator McCauley's daughter. |
