Annette Bening as Dorothea Greta Gerwig as Abbie Elle Fanning as Julie Lucas Jade Zumann as Jamie Billy Crudup as William Alia Shawkat as Trish Darrell Britt-Gibson as Julian Thea Gill as Abbie's Mother Laura Wiggins as Lynette Winters Nathalie Love as Cindy Waleed Zuaiter as Charlie Alison Elliott as Julie's Mother Finn Roberts as Tim Drammer Kirk Bovill as Dorothea's Dinner Guest