Constance Dane Roberti
Katharine Hepburn
Franz Roberti
Charles Boyer
Didi Smith-Lennox
Jean Howard
Lady Phyllis Cameron
Anne Grey
Albert Henderson (uncredited)
Lowden Adams
Messenger (uncredited)
Gino Corrado
Man in Hotel (uncredited)
Jay Eaton
Max - Florist (uncredited)
Dick Elliott
Radio Announcer (uncredited)
Sam Hayes
Mr. Lubin (uncredited)
Eddie Kane
Bill (uncredited)
Cornelius Keefe
Song Promoter at Music Publisher (uncredited)
Ray Mayer
Johnny Lawrence
John Beal
Ritz Headwaiter (uncredited)
Torben Meyer
Party Guest / Theatergoer (uncredited)
Bert Moorhouse
New Year's Eve Celebrant (uncredited)
Edmund Mortimer
Concertgoer (uncredited)
Broderick O'Farrell
Violin Student's Mother (uncredited)
Inez Palange
Jack Rice
Ticket-Seller (uncredited)
Jason Robards Sr.
Bierbauer (uncredited)
Adrian Rosley
(uncredited)
Alexander Schoenberg
Larry Steers
Professor Thalma
Jean Hersholt
Bassoonist (uncredited)
Michael Visaroff
Ticket Purchaser (uncredited)
Stanhope Wheatcroft
Stagehand (uncredited)
Harry Wilson
Florence Wix
George Webb
Marx
Sam Hardy
Miss Wilson
Inez Courtney
Sylvia DeWitt
Helene Millard
Enrico Pazzini
Ferdinand Gottschalk
Elise
Susan Fleming
Schubert
Lee Kohlmar
Screenplay
Victor Heerman
Music Director
Max Steiner
Director
Philip Moeller
Sarah Y. Mason
Continuity
Jane Murfin
Anthony Veiller
Producer
Pandro S. Berman
Art Direction
Van Nest Polglase
Story
Lester Cohen
Makeup Artist
Mel Berns
Director of Photography
Robert De Grasse
Editor
William Hamilton
Costume Design
Bernard Newman
Assistant Art Director
Carroll Clark
Recording Supervision
John E. Tribby
Philip Faulkner Jr.
Production Manager
C. J. White
Researcher
Elizabeth McGaffey
Stand In
Newton House
Charles Darwin
Assistant Director
Jane Loring