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