- Lee Kohlmar - Schubert
- 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)
- George Webb - (uncredited)
-
Philip Moeller
- Anthony Veiller
- Pandro S. Berman
- Max Steiner
Katharine Hepburn interpreta a Constance Dane Roberti en la película.
Charles Boyer interpreta a Franz Roberti en la película.
John Beal hace el papel de Johnny Lawrence.
Jean Hersholt interpreta a Professor Thalma en la película.
Sam Hardy hace el papel de Marx.
Inez Courtney hace el papel de Miss Wilson.
Helene Millard interpreta a Sylvia DeWitt en la película.
Ferdinand Gottschalk interpreta a Enrico Pazzini en la película.
Susan Fleming interpreta a Elise en la película.
Lee Kohlmar interpreta a Schubert en la película.
Jean Howard hace el papel de Didi Smith-Lennox.
Anne Grey interpreta a Lady Phyllis Cameron en la película.
Lowden Adams interpreta a Albert Henderson (uncredited) en la película.
Gino Corrado interpreta a Messenger (uncredited) en la película.
Jay Eaton hace el papel de Man in Hotel (uncredited).
Dick Elliott hace el papel de Max - Florist (uncredited).
Sam Hayes interpreta a Radio Announcer (uncredited) en la película.
Eddie Kane hace el papel de Mr. Lubin (uncredited).
Cornelius Keefe interpreta a Bill (uncredited) en la película.
Ray Mayer hace el papel de Song Promoter at Music Publisher (uncredited).
Torben Meyer interpreta a Ritz Headwaiter (uncredited) en la película.
Bert Moorhouse interpreta a Party Guest / Theatergoer (uncredited) en la película.
Edmund Mortimer interpreta a New Year's Eve Celebrant (uncredited) en la película.
Broderick O'Farrell interpreta a Concertgoer (uncredited) en la película.
Inez Palange interpreta a Violin Student's Mother (uncredited) en la película.
Jack Rice interpreta a New Year's Eve Celebrant (uncredited) en la película.
Jason Robards Sr. hace el papel de Ticket-Seller (uncredited).
Adrian Rosley hace el papel de Bierbauer (uncredited).
Alexander Schoenberg interpreta a (uncredited) en la película.
Larry Steers interpreta a New Year's Eve Celebrant (uncredited) en la película.
Michael Visaroff hace el papel de Bassoonist (uncredited).
Stanhope Wheatcroft interpreta a Ticket Purchaser (uncredited) en la película.
Harry Wilson interpreta a Stagehand (uncredited) en la película.
Florence Wix interpreta a Concertgoer (uncredited) en la película.
George Webb interpreta a (uncredited) en la película.
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