Don't Worry, I'm Fine

Mélanie Laurent as Élise 'Lili' Tellier Kad Merad as Paul Tellier Isabelle Renauld as Isabelle Tellier Julien Boisselier as Thomas aka 'Grenouille' Aïssa Maïga as Léa Simon Buret as Antoine, Loïc's friend Christophe Rossignon as Hallway teacher Thibault de Montalembert as Psychiatrist Éric Herson-Macarel as First teacher Emmanuel Courcol as Doctor from Vigneux Martine Chevallier as First nurse Jean-Yves Gautier as Chief doctor Nathalie Besançon as Second nurse Thierry Lavat as Second teacher Mickael Trodoux as Loïc Flore Vannier-Moreau as First Shopi cashier Blandine Pélissier as Saint-André hotel receptionist Stéphanie Cabon as Intern Emmanuelle Dupuy as Medical secretary Alain Cauchi as Manager of the Shopi Yoann Denaive as Thomas' brother Charlotte Clamens as Thomas' mother Laurent Claret as Thomas' father Stéphanie Pasterkamp as Young woman at the party Nicolas Bridet as Balcony guy Thierry Nenez as Monopole hotel receptionist Pierre-Benoist Varoclier as Eurolines driver Pierre Guimard as Saint-Aubin singer Eric Renault as Second homeless person Gérard Cherqui Nicolas Fine Françoise Guiol Francia Seguy Christophe Vienne Aurélie Vérillon Maximilien Poullein as Young trendy (uncredited) Patrick Sébastien as Self (archive footage) (uncredited)

Philippe Lioret Director Nicola Piovani Original Music Composer Sacha Wiernik Director of Photography Laure Cochener Casting Christophe Rossignon Producer Philippe Lioret Writer Olivier Adam Writer Beatrice Pollet Script Supervisor Andrea Sedláčková Editor Olivier Adam Novel Yves Brover-Rabinovici Production Design Philip Boëffard Associate Producer Fanny Drouin Costume Design Pierre Excoffier Sound Eric Tisserand Sound Mixer Laurent Quaglio Sound Editor Germain Boulay Sound Editor