Dick Powell
Richard 'Dick' Purcell, aka Ricardo Purcelli
Joan Blondell
Alice Hughes
Adolphe Menjou
Professor Eduardo de Vinci
Louise Fazenda
Mrs. Flagenheim
William Gargan
Cliff Stanley
George Barbier
Music Critic Hayward
Grant Mitchell
E.V. Richards, Radio Producer
Ted Fio Rito
Ted Fio Roto - Orchestra Leader
Donald Mills
Harry Mills
Herbert Mills
Hobart Cavanaugh
Music Critic Gilmore
Joe Sawyer
'Red'
Rafael Alcayde
Ramon
Bob Murphy
Singing Traffic Cop
James Burke
Uncle Andy
Sam Ash
Singer
Lloyd Bacon
Man Going to Brooklyn (uncredited)
Candy Candido
Candy
Anne Canovas
Hillbilly Specialty
Judy Canova
Hillbilly Specialty
Pete Canova
Hillbilly Specialty
Zeke Canova
Hillbilly Specialty
George Chandler
Photographer
André Cheron
Headwaiter
Gino Corrado
Clerk in Italian Store
Henry De Silva
Steward
Bill Elliott
Reporter
Leo F. Forbstein
Rehearsal Orchestra Leader
Eddie Graham
Man in Audience
Tom Hanlon
2nd Radio Announcer
Otto Heimel
Man
Selmer Jackson
Program Director
William Jeffrey
Manager
Milton Kibbee
Red's Pal
Muzzy Marcellino
Member of the Debutantes
Tom McGuire
Man Leaving Opera / Accident Bystander
Edmund Mortimer
Man Leaving Opera / Dancer
Jack Norton
Man on Ship with Pipe
Frank O'Connor
Majordomo Directing Cabs
Henry Otho
Pete
Elsa Peterson
Woman
Paul Porcasi
Señor Fuzzi
Cliff Saum
Red's Pal
Rolfe Sedan
Mrs. Flaggenheim's Secretary
Harry Seymour
1st Radio Announcer
June Travis
Hatcheck Girl
Mary Treen
2nd Irate Caller
Don Turner
Cabbie at Accident
Emmett Vogan
Reporter
Leo White
de Vinci's Friend
Ernest Wood
Hotel Clerk
John Mills
Lloyd Bacon
Director
Sig Herzig
Screenplay
Warren Duff
Screenplay
George Amy
Editor
Orry-Kelly
Costume Design
Julius J. Epstein
Writer
Leo F. Forbstein
Music Director
E.Y. Harburg
Story
Heinz Roemheld
Music
Sig Herzig
Story
Anton Grot
Art Direction
Francesco Maria Piave
Music
George Barnes
Cinematography
Samuel Bischoff
Associate Producer
Hanns Kräly
Story
Jerry Wald
Additional Dialogue
Ray Heindorf
Music Arranger