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)