Audrey Tautou as Nathalie Kerr

François Damiens as Markus Lundell

Mélanie Bernier as Chloé, Nathalie's secretary

Joséphine de Meaux as Sophie, Nathalie's best friend

Pio Marmaï as François, Nathalie's husband

Bruno Todeschini as Charles Delamain

Marc Citti as Pierre, Sophie's companion

Alexandre Pavloff as Benoît, member of Nathalie's team

Monique Chaumette as Madeleine, Nathalie's grandmother

Vittoria Scognamiglio as François' mother

Olivier Cruveiller as François' father

Ariane Ascaride as Nathalie's mother

Christophe Malavoy as Nathalie's father

Audrey Fleurot as Ingrid, Charles's secretary

Bénédicte-Lala Ernoult as Usherette of the theater

Nicolas Guimbard as Valet restaurant Charles

Pom Klementieff as Waitress restaurant Charles

Nadège Perrier as Doctor

Benoît Pétré as Meeting cafe waiter

Lara Suyeux as Bar waitress

Sébastien Thiery as Aggressive man

Estéban as Peter's friend

Renan Carteaux as Peter's friend

Charley Fouquet as Peter's friend

Gwendolyn Gourvenec as Peter's friend

Roland Menou as Millenium colleague

Moritz Parisius as Intranet colleague

Philippe Petit as Colleague 'je sais pas'

Émilie Simon as Apparition colleague

Ronny Pong as Nathalie's colleague

Sofia-Maria Efraimsson as Nathalie's colleague

Philippe Hagège as Mechanic

Prescillia Andreani as Woman at the Charles restaurant

Sasha Spielberg as Woman of the tourist couple

Jérôme Domenge as Man of the tourist couple

Louise Ressort as Nathalie child

Claire Baschet as Top-model

Agnes Bouille as Top-model

Fanny Crawford as Top-model

Yamina Meghraoui as Top-model

Joy Wielard as Top-model

Audrey Marnay as Fantasy model

François-Marie Nivon as Asian customer (uncredited)

Daniel Semporé as Nathalie's colleague (uncredited)

Barack Obama as Self (archive footage) (uncredited)