| | | Introduction |
| Dolly Gallagher | Levi | The first character Lauren played in Hello, dolly. |
| | | Fast Forward |
| Lauren | Graham | Narrator. Actress, writer. |
| Sato-San | | Lauren's therapist in Japan. |
| Dad | | Lauren's father. |
| Mike | | Groovy guy in Lauren's school. |
| McGovern | | President in Lauren's class. Lauren's classmate. |
| Nixon | | Lauren's classmate. |
| Virginia | Rowan | Lauren's friend. |
| Kathryn | Donnelly | Lauren'sfriend. |
| Joyce | Antonio | Lauren's friend. |
| | | Southern Methodist University - Lauren's school. |
| Bob | Hope | The man who pays actors to become actors. |
| | | Sweet Equity |
| Cecil | O'Neal | Lauren's acting teacher. |
| | | Star Search - A competitor of American Idol. |
| | | Actor's Equity - A theater union. |
| Wynn | Handman | Lauren's acting teacher. |
| | | The Shed - Bar near the theater. |
| Brian | Nelson | Lauren's acting teacher in high school. |
| | | You Can't Be Vegan Just for Ellen |
| Matt | Lauer | Today Show host. |
| Ruth Bader | Ginsburg | Supreme court justice. |
| Hillary | Clinton | Presidential candidate. |
| Jennifer E. | Smith | Lauren's editor. aka: Jen. |
| Michelle | Lovitt | Lauren's trainer and friend. |
| Natalie | | From the Today Show. |
| Kim | Kardashian | Actress. |
| Ellen | Degeneres | Lauren's friend. |
| Portia | | Ellen's wife. |
| Oprah | | TV show host. |
| Kathie | Lee | From the Today Show. |
| Hoda | | From the Today Show. |
| | | There is only One Betty White |
| Betty | White | Actress. |
| Meryl | Streep | Actress. |
| Diane | Keaton | Actress. |
| Carrie | Fisher | Actress and writer. |
| Goldie | Hawn | Actress. |
| Lorelai | Gilmore | A character played by Lauren in the show Gilmore Girls. |
| Christopher | Reeve | Lauren's colleague. |
| | | What It Was Like, pt. I |
| Alexis | Bledel | Lauren's co-actor and friend. |
| Amy Sherman | Palladino | Gilmore Girls series creator. |
| Dan | Palladino | Gilmore Girls executive producer. |
| Gavine | Polone | Producer. |
| Scott | Patterson | Actor. |
| Kelly | Bishop | Actress. |
| Ed | Hermann | Actor. |
| Melissa | McCarthy | Actress. |
| David | Sutcliffe | Actor. |
| Yanic | Truesdale | Scriptwriter. |
| Sally | Sthruter | Lauren's workmate. |
| Liz | Torres | Lauren's workmate. |
| Sean | Gunn | Lauren's workmate. |
| Tim | | Lauren's cousin. |
| John | Hamm | Lauren's acquaintance. |
| Billy | Burke | Lauren's friend. |
| Adam | Brody | Actor. |
| Maggie | Graham | Lauren's sister. |
| George | Bell | Lauren's dialogue coach. |
| Milo | Ventimiglia | Actor. |
| Jared | Padalecki | Actor. |
| Christopher | Eigeman | Lauren's New York-based friend. |
| Matt | Czuchry | Actor. |
| David Lee | Roth | Lead singer of Van Halen. |
| Lee Shallat | Chemel | Lauren's director. |
| | | Before My REI Card |
| Peter | Krause | Lauren's partner. Actor. Parenthood co-star. |
| Sam | Pancake | Lauren's dear best friend. |
| Matthew | Perry | Lauren's friend whom she almost-but-never-exactly dated. |
| George | Clooney | Actor. |
| Ryan | Seacrest | TV show host. |
| Savannah | | From the Today Show. |
| Tad | | Everyone who works at REI. |
| Charles | Schulz | Cartoonist. |
| Oliver | Platt | Lauren's friend. |
| | | Labor Days |
| Larry | Owen | Peter's college professor. |
| Aaron | Sorkin | Writer. |
| Dave | Attell | Comedian. |
| Ray | Romano | Comedian. |
| Maria | | Lauren's friend. |
| Joe | | Lauren's former boss. |
| Steven | Spielberg | Director. |
| | | Judge Not, Lest Ye Be a Judge on Project Runway |
| Zac | Posen | Fashion designer. |
| Cate | Blanchett | Actress. |
| Anna | Wintour | Journalist. |
| Gigi | Hadid | Model. |
| Karen | | Lauren's stepmother. |
| Shade | | Lauren's sister. |
| Chris | | Lauren's brother. |
| Bethany | Frankel | Television personality. |
| Pat | Field | Sex and the City stylist. |
| Michael | Kors | Designer. |
| Nina | Garcia | Fashion designer. |
| Heidi | Klum | Supermodel. Host of Project Runway. |
| Tim | Gunn | Fashion consultant. |
| Heather | | Lauren's cousin. |
| Adam | | Lauren's lawyer. |
| Grover | | Seasame Street character. |
| | | Someday, Someday, Maybe |
| James | Patterson | Author. |
| Chris | Tebbets | Author. |
| Kathy | | Lauren's best friend from college. |
| Franny | Banks | Lead character in Lauren's novel. |
| Jane | | Franny's best friend. |
| James | Franklin | The bad boy Franny falls for. |
| Barney | Sparks | Franny's first agent. |
| Esther | Newberg | Lauren's book agent. |
| Tamryn | | From the Today Show. |
| Willie | | From the Today Show. |
| Carson | | From the Today Show. |
| Jenna | | From the Today Show. |
| Al | | From the Today Show. |
| Eddie | Murphy | Actor. |
| Nick | Nolte | Actor. |
| Bruce | Willis | Actor. |
| Sam | Jackson | Actor. |
| Anna | Quindlen | One of Lauren's favorite authors. |
| Ron | Howard | Lauren's former boss. |
| Tom | Hanks | Actor. |
| Jeff | Kleeman | Ellen's producing partner. |
| Mae | Whitman | Lauren's producing partner. |
| Terry | Press | Head of CBS films. |
| | | Kitchen Timer |
| Sarah | Dessen | Author. |
| Dan | Bucantinsky | Screenwriter. Plays Jim Nelson. |
| Don | Roos | Co-creator of Web Therapy. |
| | | Kitchen Timer - technique for writers created by Don Roos. |
| | | Parenthood is the Best Neighborhood |
| Jason | Katims | Lauren's boss. |
| Larry | Trilling | One of the executive producers of Parenthood. |
| | | Look Up |
| Old Lady | Jackson | A character Lauren made up who gave advice. |
| Marion | | Old Lady Jackson's neighbor. |
| | | What It Was Like, pt. II |
| Brenda | | Gilmore Girls costume designer. |
| Cesha | | Lauren's Gilmore Girls on-set dresser. |
| George | | Gilmore Girls dialogue coach. |
| Eddy | | Lauren's agent. |
| Anne | Morgan | Lauren's hair stylist. |
| Jonathan | Hanousek | Anne'e sub-hairstylist. |
| Gary | | Lauren's assistant for 10 years during the old Gilmore Girls. |
| Rick | | Lauren's brother-in-law. |
| Tania | McComas | Lauren's makeup artist. |
| Marguerite | | Choreographer. |
| Ben | | Melissa's husband. |
| Mindy | | The person Mae pretended to be. aka: Lauren's assistant. |
| Mike | | The props man. |
| John | Carrabino | Lauren's manager. |