Katharine Hepburn (Constance Dane)
Charles Boyer (Franz Robert)
John Beal (Johnny Lawrence)
Jean Hersholt (Prof. Thalma)
Sam Hardy (Marx)
Lee Kohlmar (Schubert)
Jason Robards, Sr.
Jean Howard (Didi Lenox-Smith)
Anne Grey (Phyllis Cameron)
Inez Courtney (Miss Wilson)
Helene Millard (Sylvia DeWitt)
Ferdinand Gottschalk (Pazzini)
Susan Fleming (Elise)