Main •
Pauline Chalamet as Kimberly, a freshman who is a working student from
Gilbert, Arizona, a small town that is predominantly white, and comes from a poor family •
Amrit Kaur as Bela, an Indian American freshman from
Nutley, New Jersey, who wants to become a comedy writer and is
sex-positive •
Reneé Rapp as Leighton, Leighton's older brother and Kimberly's love interest • Christopher Meyer as Canaan, Kimberly's co-worker and Whitney's love interest •
Ilia Isorelýs Paulino as Lila, Kimberly's coworker •
Renika Williams as Willow, one of Whitney's teammates •
Lauren "Lolo" Spencer as Jocelyn, a partygoing student at Essex and housemate of the main characters •
Midori Francis as Alicia (seasons 1, 3; guest season 2), Leighton's love interest •
Mekki Leeper as Eric (season 2; recurring season 1), a writer for
The Catullan •
Mitchell Slaggert as Jackson (season 2), a new student from Kansas who bonds with Kimberly •
Mia Rodgers as Taylor (season 3), an openly queer first year student at Essex College from
Mayfair,
London •
Gracie Lawrence as Kacey (season 3), the girls' new roommate who recently transferred from Duke University and is part of the theater department
Recurring •
Rob Huebel as Henry, Leighton and Nico's father •
Nicole Sullivan as Carol, Kimberly's mother •
James Morosini as Dalton (season 1), Whitney's assistant soccer coach • Kavi Ramachandran Ladnier as Reena (seasons 1, 3), Bela's mother • Craig Cackowski as Dale, Kimberly's father •
Stephen Guarino as Roger (season 1; guest season 2), the Sips manager •
Jillian Armenante as Coach Woods (season 1), Whitney's head soccer coach • Conor Donnally as Ryan (season 1), a writer for
The Catullan •
Sierra Katow as Evangeline (seasons 1–2), a writer for
The Catullan • Maya Rose as Jena (season 1; guest season 2), Whitney's antagonistic teammate who later becomes her friend •
Sherri Shepherd as Evette (seasons 1–2; guest season 3), Whitney's mother and a U.S. senator from
Washington • Betti as Trish/Travis, a student who lives in the dorm and later comes out as a trans woman • Cheyenne Perez as Jo (seasons 1–2), a writer for
The Catullan • Scott Lipman as Frude (seasons 1–2; guest season 3), the residence director of the dorm •
Isabella Roland as Carla (seasons 1–2; guest season 3), a fellow writer for
The Catullan • Amanda Ripley as Ginger •
Vico Ortiz as Tova •
Gedde Watanabe as Professor Harpin (season 2; guest season 1), Bela and Whitney's biochemistry teacher • Donielle Nash as Jayla, a friend of Whitney's • Aketra Sevillian as Zoe (season 2), an employee at Sips •
Charlie Hall as Andrew Fuller (season 2), Bela and Whitney's biochemistry classmate •
Gracie Dzienny as Tatum (season 2), Leighton's new love interest • Devin Craig as Isaiah (season 3), a classmate of Whitney and Kimberly, whom Whitney somewhat peruses romantically • Courtney Parchman as Blair (season 3), a member of Kappa who is part of the theater production • Zoe Lam as Rina (season 3), a tough soccer player who overshadows and bullies Whitney •
Michael Provost as Eli (season 3), a bisexual, rave and drug enjoying student who Kimberly briefly dates • Nabeel Muscatwalla as Arvind (season 3), a fellow FAF with Bela who helps her out and she takes an interest in •
Rebecca Wisocky as Professor Dorfmann (season 3), the professor for the theater department • Roby Attal as Cooper (season 3), a student at Essex who is part of the theater production alongside Kacey •
Tig Notaro as Professor Friedman (season 3), Kimberly's law professor •
Ruby Cruz as Ash (season 3), Taylor's love interest •
Michael Hsu Rosen as Brian (season 3), a classmate of Kimberly from the law symposium •
Jeremy Culhane as Lars (season 3), another classmate of Kimberly from the law symposium •
Brandon Keener as Coach Hale (season 3), Whitney's strict soccer coach ==Episodes==