Casting | Rôle |
|---|
| Paul Whiteman | Paul Whiteman |
| John Boles | Vocalist ('Song of the Dawn' / 'It Happened in Monterey') |
| Jeanie Lang | Vocalist ('I'd Like To Do Things For You' / 'Ragamuffin Romeo') |
| Laura La Plante | Editor ('Ladies of the Press') / Stenographer ('In Conference') / Quartet Member, 'Nellie' |
| Jeanette Loff | Vocalist ('It Happened in Monterey' / 'Bridal Veil' / 'A Bench in the Park') |
| Glenn Tryon | Executive ('In Conference') / Unmarried Husband |
| William Kent | General ('All Noisy on the Eastern Front') / Goldfish Owner ('Oh! Forevermore!') / Unmarried Couple's Offspring / Vocal ('Do Things For You') |
| Slim Summerville | Automobile Owner ('Springtime') / Rear End of Horse / Charles |
| Kathryn Crawford | Fourth Reporter ('Ladies of the Press') |
| Carla Laemmle | Chorine (as Beth Laemmle) |
| Stanley Smith | Bridegroom ('Bridal Veil' / 'A Bench in the Park') |
| Charles Irwin | Himself, Announcer / Soldier ('All Noisy on the Eastern Front') |
| George Chiles | Dancer ('It Happened in Monterey' / Vocalist 'A Bench in the Park' / 'Ragamuffin Romeo') |
| Jack White | Jack White |
| Frank Leslie | Quartet Lead Singer ('Nellie') |
| Walter Brennan | Desk Sergeant ('Springtime') / Soldier ('All Noisy on the Eastern Front') / Waiter ('Oh! Forevermore!') / Front End of Horse / Quartet Member ('Nellie') |
| Churchill Ross | Quartet Member ('Nellie') |
| John Arledge | First Pianist at Giant Piano ('Rhapsody in Blue') / Quartet Member ('Nellie') (as Johnson Arledge) |
| Al Norman | Rubber Legs Dancer ('Happy Feet') |
| Jacques Cartier | Voodoo Dancer ("Rhapsody in Blue") |
| Nell O'Day | Dancer |
| Marion Stattler | Specialty Dancer 'Ragamuffin Romeo' / 'Melting Pot' |
| Don Rose | Specialty Dancer 'Ragamuffin Romeo' |
| Bobbe Brox | Bobbe (as The Brox Sisters) |
| Patricia Brox | Kathlyn (as The Brox Sisters) |
| Lorayne Brox | Lorraine (as The Brox Sisters) |
| Bing Crosby | Trio Singer (as The Rhythm Boys) |
| Yola d'Avril | Automobile Owner's Wife ("Springtime") / Marie ("All Noisy on the Eastern Front") (uncredited) |
| Marcia Mae Jones | Child ('Bridal Veil') (uncredited) |
| Béla Lugosi | Emcee - Hungarian Version |
| Joan Marsh | Blonde ("A Bench in the Park") (uncredited) |
| Harry Barris | Trio Singer (as The Rhythm Boys) |
| Al Rinker | Trio Singer (as The Rhythm Boys) |
