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