|William Holden||Richard ``Rick'' Benson|
|Audrey Hepburn||Gabrielle ``Gaby'' Simpson|
|Noel Coward||Alexander Meyerheim|
|Gregoire Aslan||Police Insp. Gilet|
|Christian Duvaleix||Maitre d'Hotel|
|Mel Ferrer||Costume party Jekyll & Hyde|
Hotshot Hollywood screenwriter Richard Benson is in trouble. He sold a script idea to decadent producer Alexander Meyerheim, but has wasted all the time he had to finish the screenplay by traipsing around Paris. With just a couple of days left before the deadline, Benson gets a new assistant named Gabrielle Simpson, who helps him put together a love story by acting out all the possible scenarios. But life eventually beginning to imitate art.