Diễn viên
Louie Bellson
Drums
Benny Goodman
Professor Magenbruch
Louis Armstrong
Louis Armstrong
Mel Powell
Mel Powell
Tommy Dorsey
Tommy Dorsey
Lionel Hampton
Lionel Hampton
Hugh Herbert
Professor Twingle
O.Z. Whitehead
Professor Oddly
Danny Kaye
Hobart Frisbee
Steve Cochran
Tony Crow
Sue George
Cigarette Girl (uncredited)
Ben Welden
Monte
Charlie Barnet
Charlie Barnet
Page Cavanaugh
Page Cavanaugh
Felix Bressart
Professor Gerkikoff
Sidney Blackmer
Adams
Orlandus Wilson
Orlandus Wilson
J. Edward Bromberg
Dr. Elfini
Laurindo Almeida
Laurindo Almeida (uncredited)
John 'Bubbles' Sublett
Bubbles
Ludwig Stössel
Professor Träumer
Esther Dale
Miss Bragg
Howland Chamberlain
Mr. Setter
Paul Langton
Joe
Milicent Patrick
Woman at Dorsey Club (uncredited)
Virginia Mayo
Honey Swanson