Bing Crosby
C. K. Dexter-Haven
Grace Kelly
Tracy Lord
Frank Sinatra
Mike Connor
Celeste Holm
Liz Imbrie
John Lund
George Kittredge
Louis Calhern
Uncle Willie
Sidney Blackmer
Seth Lord
Louis Armstrong
Self
Margalo Gillmore
Mrs. Seth Lord
Lydia Reed
Caroline Lord
Gordon Richards
Dexter-Haven's Butler
Richard Garrick
Lords' Butler
Don Anderson
Party Guest (uncredited)
Mary Bayless
Party Guest (uncredited)
Lulu Mae Bohrman
Party Guest (uncredited)
Hugh Boswell
Parson (uncredited)
Paul Bradley
Party Guest (uncredited)
Tex Brodus
Party Guest (uncredited)
Steve Carruthers
Party Guest (uncredited)
Beulah Christian
Party Guest (uncredited)
Gene Coogan
Party Guest (uncredited)
Paul Cristo
Party Guest (uncredited)
William Duray
Party Guest (uncredited)
Joe Evans
Waiter (uncredited)
Franklyn Farnum
Party Guest (uncredited)
James Gonzalez
Party Guest (uncredited)
Stuart Holmes
Party Guest (uncredited)
Shep Houghton
Party Guest (uncredited)
Paul Keast
Editor (uncredited)
Richard Keene
Mac (uncredited)
Perk Lazelle
Party Guest (uncredited)
Ruth Lee
Ruth (Jazz Festival Organizer) (uncredited)
Thomas Martin
Waiter (uncredited)
Philo McCullough
Party Guest (uncredited)
Harold Miller
Party Guest (uncredited)
Hans Moebus
Party Guest (uncredited)
Monty O'Grady
Party Guest (uncredited)
Foster H. Phinney
Party Guest (uncredited)
Murray Pollack
Party Guest (uncredited)
Paul Power
Party Guest (uncredited)
Leoda Richards
Party Guest (uncredited)
Victor Romito
Party Guest (uncredited)
Scott Seaton
Party Guest (uncredited)
Reginald Simpson
Lawrence (Uncle Willie's Butler) (uncredited)
Helen Spring
Helen (Jazz Festival Organizer) (uncredited)
Norman Stevans
Party Guest (uncredited)
Florence Wix
Party Guest (uncredited)
Paul Vogel
Director of Photography
Philip Barry
Theatre Play
John Patrick
Screenplay
Charles Walters
Director
Sol C. Siegel
Producer
Cole Porter
Original Music Composer
Ralph E. Winters
Editor
Johnny Green
Music Supervisor
Helen Rose
Costume Design
Johnny Green
Music Arranger
Saul Chaplin
Music Supervisor
Hans Peters
Art Direction
Richard Pefferle
Set Decoration
A. Arnold Gillespie
Special Effects
Arvid Griffen
Assistant Director
Cedric Gibbons
Art Direction
Sydney Guilaroff
Hairstylist
Charles Walters
Choreographer
Conrad Salinger
Orchestrator
Edwin B. Willis
Set Decoration
Charles K. Hagedon
Other
Nelson Riddle
Orchestrator
Saul Chaplin
Music Arranger
Wesley C. Miller
Recording Supervision
Cole Porter
Lyricist
William Tuttle
Makeup Designer