Greta Gerwig
as Brooke Cardinas

Lola Kirke
as Tracy Fishko

Matthew Shear
as Tony

Jasmine Cephas Jones
as Nicolette

Heather Lind
as Mamie-Claire

Michael Chernus
as Dylan

Cindy Cheung
as Karen

Kathryn Erbe
as Stevie

Dean Wareham
as Harold

Shana Dowdeswell
as Ruth

Shelby Rebecca Wong
as Laura

Alfred Macadam
as Professor #1

Amy Warren
as Counselor

Sharon Washington
as Professor #2

Morgan Lynch
as Student

Andrea Chen
as Hallway Girl

Shoba Narayan
as Hallway Girl

Colin Stokes
as Mobius Guy

Juliet Brett
as Tiny Girl

Gretchen Young
as Work Study Woman

David Longstreth
as The Band

Amber Coffman
as The Band

Steven Marion
as The Band

Michael Daniel Johnson
as The Band

Nat Baldwin
as The Band

Rebecca Naomi Jones
as Party Hostess

Mickey Sumner
as Fake Brooke

Mary Beth Minthorn
as Cycling Class Student

Clare Foley
as Peggy

Rebecca Henderson
as Anna Wheeler

Kareem Williams
as Kareem

Frank Iacuzzo
as Psychic

Jessie Austrian
as Pregnant Book Club Member

Taryn Simon
as Pregnant Book Club Member

Casey Leigh Atre
as Pregnant Book Club Member

Andrea Teasdale
as Pregnant Book Club Member

Marina Ayala
as Housekeeper

Seth Barrish
as Brooke's Dad (voice)

Amanda Gates-Ellison
as Advisor

Charlie Gillette
as Carey (uncredited)