Cary Grant
C.K. Dexter Haven
Katharine Hepburn
Tracy Lord
James Stewart
Macaulay 'Mike' Connor
Ruth Hussey
Elizabeth 'Liz' Imbrie
John Howard
George Kittredge
Roland Young
Uncle Willie
John Halliday
Seth Lord
Mary Nash
Margaret Lord
Virginia Weidler
Dinah Lord
Henry Daniell
Sidney Kidd
Lionel Pape
Edward
Rex Evans
Thomas
King Baggot
Wedding Guest (uncredited)
Hillary Brooke
Main Line Society Woman (uncredited)
Veda Buckland
Elsie (uncredited)
Lita Chevret
Manicurist (uncredited)
Russ Clark
John the Chauffeur (uncredited)
David Clyde
Mac (uncredited)
Robert De Bruce
Dr. Parsons (uncredited)
Dorothy Fay
Main Line Society Woman (uncredited)
Claude King
Uncle Willie's Butler (uncredited)
Eric Mayne
Wedding Guest (uncredited)
Florine McKinney
Main Line Society Woman (uncredited)
Lee Phelps
Bartender (uncredited)
Hilda Plowright
Librarian (uncredited)
Helene Reynolds
Main Line Society Woman (uncredited)
Mildred Shay
Main Line Society Woman (uncredited)
Joseph Sweeney
Butler (uncredited)
Sally Cleaves
Party Guest (uncredited)
Oliver Cross
Wedding Guest (uncredited)
Dick Gordon
Wedding Guest (uncredited)
Sam Harris
Party Guest (uncredited)
Frank McLure
Wedding Guest (uncredited)
Paul Power
Wedding Guest (uncredited)
Ellinor Vanderveer
Party Guest (uncredited)
Florence Wix
Party Guest (uncredited)
George Cukor
Director
Philip Barry
Theatre Play
Donald Ogden Stewart
Screenplay
Waldo Salt
Screenplay
Joseph L. Mankiewicz
Producer
Franz Waxman
Original Music Composer
Joseph Ruttenberg
Director of Photography
Frank Sullivan
Editor
Cedric Gibbons
Art Direction
Edwin B. Willis
Set Decoration
Sydney Guilaroff
Hairstylist
Jack Dawn
Makeup Artist
Adrian
Costume Design
Edward Woehler
Assistant Director
Leo Arnaud
Orchestrator
Leonid Raab
Orchestrator
Douglas Shearer
Recording Supervision
Wade B. Rubottom
Assistant Art Director
Keith Weeks
Production Manager