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