Paul Whiteman as Paul Whiteman

John Boles as Vocalist ('Song of the Dawn' / 'It Happened in Monterey')

Jeanie Lang as Vocalist ('I'd Like To Do Things For You' / 'Ragamuffin Romeo')

Laura La Plante as Editor ('Ladies of the Press') / Stenographer ('In Conference') / Quartet Member, 'Nellie'

Jeanette Loff as Vocalist ('It Happened in Monterey' / 'Bridal Veil' / 'A Bench in the Park')

Glenn Tryon as Executive ('In Conference') / Unmarried Husband

William Kent as General ('All Noisy on the Eastern Front') / Goldfish Owner ('Oh! Forevermore!') / Unmarried Couple's Offspring / Vocal ('Do Things For You')

Slim Summerville as Automobile Owner ('Springtime') / Rear End of Horse / Charles

Kathryn Crawford as Fourth Reporter ('Ladies of the Press')

Carla Laemmle as Chorine (as Beth Laemmle)

Stanley Smith as Bridegroom ('Bridal Veil' / 'A Bench in the Park')

Charles Irwin as Himself, Announcer / Soldier ('All Noisy on the Eastern Front')

George Chiles as Dancer ('It Happened in Monterey' / Vocalist 'A Bench in the Park' / 'Ragamuffin Romeo')

Jack White as Jack White

Frank Leslie as Quartet Lead Singer ('Nellie')

Walter Brennan as Desk Sergeant ('Springtime') / Soldier ('All Noisy on the Eastern Front') / Waiter ('Oh! Forevermore!') / Front End of Horse / Quartet Member ('Nellie')

Churchill Ross as Quartet Member ('Nellie')

John Arledge as First Pianist at Giant Piano ('Rhapsody in Blue') / Quartet Member ('Nellie') (as Johnson Arledge)

Al Norman as Rubber Legs Dancer ('Happy Feet')

Jacques Cartier as Voodoo Dancer ("Rhapsody in Blue")

Nell O'Day as Dancer

Marion Stattler as Specialty Dancer 'Ragamuffin Romeo' / 'Melting Pot'

Don Rose as Specialty Dancer 'Ragamuffin Romeo'

Bobbe Brox as Bobbe (as The Brox Sisters)

Patricia Brox as Kathlyn (as The Brox Sisters)

Lorayne Brox as Lorraine (as The Brox Sisters)

Bing Crosby as Trio Singer (as The Rhythm Boys)

Yola d'Avril as Automobile Owner's Wife ("Springtime") / Marie ("All Noisy on the Eastern Front") (uncredited)

Marcia Mae Jones as Child ('Bridal Veil') (uncredited)

Bela Lugosi as Emcee - Hungarian Version

Joan Marsh as Blonde ("A Bench in the Park") (uncredited)

Harry Barris as Trio Singer (as The Rhythm Boys)

Al Rinker as Trio Singer (as The Rhythm Boys)