Cary Grant character C.K. Dexter Haven
Katharine Hepburn character Tracy Lord
James Stewart character Macaulay 'Mike' Connor
Ruth Hussey character Elizabeth 'Liz' Imbrie
John Howard character George Kittredge
Roland Young character Uncle Willie
John Halliday character Seth Lord
Mary Nash character Margaret Lord
Virginia Weidler character Dinah Lord
Henry Daniell character Sidney Kidd
Lionel Pape character Edward
Rex Evans character Thomas
King Baggot character Wedding Guest (uncredited)
Hillary Brooke character Main Line Society Woman (uncredited)
Veda Buckland character Elsie (uncredited)
Lita Chevret character Manicurist (uncredited)
Russ Clark character John the Chauffeur (uncredited)
David Clyde character Mac (uncredited)
Robert De Bruce character Dr. Parsons (uncredited)
Dorothy Fay character Main Line Society Woman (uncredited)
Claude King character Uncle Willie's Butler (uncredited)
Eric Mayne character Wedding Guest (uncredited)
Florine McKinney character Main Line Society Woman (uncredited)
Lee Phelps character Bartender (uncredited)
Hilda Plowright character Librarian (uncredited)
Helene Reynolds character Main Line Society Woman (uncredited)
Mildred Shay character Main Line Society Woman (uncredited)
Joseph Sweeney character Butler (uncredited)
