Katharine Hepburn
Constance Dane Roberti
Charles Boyer
Franz Roberti
Jean Hersholt
Professor Thalma
Helene Millard
Sylvia DeWitt
Ferdinand Gottschalk
Enrico Pazzini
Jean Howard
Didi Smith-Lennox
Anne Grey
Lady Phyllis Cameron
Lowden Adams
Albert Henderson (uncredited)
Gino Corrado
Messenger (uncredited)
Jay Eaton
Man in Hotel (uncredited)
Dick Elliott
Max - Florist (uncredited)
Sam Hayes
Radio Announcer (uncredited)
Eddie Kane
Mr. Lubin (uncredited)
Cornelius Keefe
Bill (uncredited)
Ray Mayer
Song Promoter at Music Publisher (uncredited)
Torben Meyer
Ritz Headwaiter (uncredited)
Bert Moorhouse
Party Guest / Theatergoer (uncredited)
Edmund Mortimer
New Year's Eve Celebrant (uncredited)
Broderick O'Farrell
Concertgoer (uncredited)
Inez Palange
Violin Student's Mother (uncredited)
Jack Rice
New Year's Eve Celebrant (uncredited)
Jason Robards Sr.
Ticket-Seller (uncredited)
Adrian Rosley
Bierbauer (uncredited)
Alexander Schoenberg
(uncredited)
Larry Steers
New Year's Eve Celebrant (uncredited)
Michael Visaroff
Bassoonist (uncredited)
Stanhope Wheatcroft
Ticket Purchaser (uncredited)
Harry Wilson
Stagehand (uncredited)
Florence Wix
Concertgoer (uncredited)
