Paris When It Sizzles is a 1964 romantic comedy film directed by Richard Quine and produced by Quine and George Axelrod. The screenplay is by George Axelrod based on the story and film Holiday for Henrietta by Julien Duvivier and Henri Jeanson. The music score is by Nelson Riddle, the cinematography by Charles Lang and Claude Renoir. The film stars William Holden and Audrey Hepburn, and features Gregoire Aslan, Raymond Bussieres, Noel Coward and Tony Curtis.
(Summary from Wikipedia)