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)