| | | | 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. |