Rebecca Miller Director, Screenwriter, Producer Greta Gerwig Maggie Actor Ethan Hawke John Actor Julianne Moore Georgette Actor Bill Hader Tony Actor Maya Rudolph Felicia Actor Travis Fimmel Guy Actor Ida Rohatyn Lily Actor Wallace Shawn Kliegler Actor Mina Sundwall Justine Actor Jackson Frazer Paul Actor Monte Greene Max Actor Rachael Horovitz Producer Damon Cardasis Producer Phil Stephenson Executive Producer Temple Williams Executive Producer Lucy Barzun Donnelly Executive Producer Alexandra Kerry Executive Producer Michael J. Mailis Executive Producer Susan Wrubel Executive Producer Sam Levy Cinematographer Sabine Hoffmann Film Editing Michael Rohatyn Original Music Alexandra Schaller Production Design Brian Goodwin Art Director Kendall Anderson Set Decoration Malgosia Turzanska Costume Design Cindy Tolan Casting