Richard Benson / Rick
William Holden
Gabrielle Simpson / Baby
Audrey Hepburn
Marlene Dietrich (uncredited)
Marlene Dietrich
Dr. Jekyll & Mr. Hyde (uncredited)
Mel Ferrer
Policeman (uncredited)
Henri Garcin
Sailor in Café (uncredited)
Dominique Zardi
Inspector Gilet
Grégoire Aslan
François
Raymond Bussières
Maitre d'Hotel
Christian Duvaleix
Gangster
Michel Thomass
Girl at Pool
Dominique Boschero
Girt at Pool
Evi Marandi
Alexander Meyerheim
Noël Coward
Maurice / Philippe (uncredited)
Tony Curtis
Vocals
Fred Astaire
Story
Henri Jeanson
Director
Richard Quine
Producer
Lyricist
Alan Bergman
Frank Sinatra
Screenplay
George Axelrod
Julien Duvivier
Director of Photography
Charles Lang
Art Direction
Jean-André d'Eaubonne
Costume Design
Hubert de Givenchy
Set Decoration
Gabriel Béchir
Wardrobe Supervisor
Jean Zay
Hairstylist
Dean Cole
Makeup Artist
Frank McCoy
Editor
Archie Marshek
Assistant Director
Paul Feyder
Orchestrator
Arthur Morton
Camera Operator
Henri Tiquet
Special Effects
Paul K. Lerpae
Sound Recordist
Charles Grenzbach
Joseph de Bretagne
Songs
Lew Spence
Associate Producer
Carter DeHaven Jr.
John R. Coonan
Original Music Composer
Nelson Riddle