"An American in Paris lives by sponging off his working friends, and throws a party using borrowed money when his rich American aunt dies, believing firmly in his horoscope."
Jess Hahn
as Pierre Wesselrin
Michèle Girardon
as Dominique Laurent
Van Doude
as Jean-François Santeuil
Paul Bisciglia
as Willy
Gilbert Edard
as Michel Caron
Christian Alers
as Philippe
Paul Crauchet
as Fred
Jill Olivier
as Cathy
Sophie Perrault
as Chris
Stéphane Audran
as La Patronne de l'Hôtel
Jean Le Poulain
as Le Clochard
Jean-Marie Arnoux
as (uncredited)
Gaby Blondé
Daniel Crohem
Jean Domarchi
Marie Dubois
as La Jeune Femme au Café (uncredited)
France Farnel
Enrico Fulchignoni
Jean-Luc Godard
as Le Mélomane (uncredited)
Yann Groël
Fereydoun Hoveyda
Jean-Pierre Melville
as Un Consommateur (uncredited)
Michel Mourlet
Macha Méril
as La Blonde du 14 Juillet (uncredited)
Françoise Prévost
as Hélène (uncredited)
Alain Resnais
Malka Ribowska
as La Mère des Deux Enfants (uncredited)
Uta Taeger
Véra Valmont
as La Blonde de Nanterre (uncredited)
José Varela
Éric Rohmer
Director
Nicolas Hayer
Director of Photography
Anne-Marie Cotret
Editor
Marie-Josèphe Yoyotte
Claude Chabrol
Producer
Paul Gégauff
Dialogue
Monique Gaillard
Assistant Editor
Monique Teisseire
Jean-Charles Lagneau
Assistant Director
Pierre Lhomme
Camera Operator
Philippe Collin
Second Assistant Director
Helly Sterian
Script Supervisor
Christian Courmes
Sound Recordist
André Dino
Still Photographer
Roland Nonin
Delegated Producer
Louis Saguer
Music
Jean Cotet
Production Manager
Jean Lavie
Unit Production Manager
René Bourdier
Boom Operator
Robert Caristan
Second Assistant Camera
Alain Levent
First Assistant Camera
Gérard Jarry
Musician
Yvonne Benezech
Production Secretary
Screenplay
Jean Labussière
Sound