Greta Gerwig Mattie Director, Actor, Writer, Producer Joe Swanberg James Director, Actor, Writer, Producer, Film Editing Jay Duplass James' brother Actor Kent Osborne Mattie's sister's boyfriend Actor Lynn Shelton Mattie's sister Actor Ellen Stagg Photographer Actor Alison Bagnall Reporter Actor Anish Savjani Producer Dia Sokol Savage Producer Mathias Grunsky Cinematographer