Danny Kaye
Hobart Frisbee
Acting
Virginia Mayo
Honey Swanson
Acting
Benny Goodman
Professor Magenbruch
Acting
Tommy Dorsey
Tommy Dorsey
Acting
Louis Armstrong
Louis Armstrong
Acting
Lionel Hampton
Lionel Hampton
Acting
Charlie Barnet
Charlie Barnet
Acting
Mel Powell
Mel Powell
Acting
Ford Washington Lee
Buck
Acting
John 'Bubbles' Sublett
Bubbles
Acting
Page Cavanaugh
Page Cavanaugh
Acting
Al Viola
Al Viola
Acting
Lloyd Pratt
Lloyd Pratt
Acting
Orlandus Wilson
Orlandus Wilson
Acting
Henry Owens
Henry Owens
Acting
Willie Johnson
Willie Johnson
Acting
Clyde Riddick
Clyde Riddick
Acting
Russo do Pandeiro
Russo
Acting
Hugh Herbert
Professor Twingle
Acting
Steve Cochran
Tony Crow
Acting
J. Edward Bromberg
Dr. Elfini
Acting
Felix Bressart
Professor Gerkikoff
Acting
Ludwig Stössel
Professor Träumer
Acting
O.Z. Whitehead
Professor Oddly
Acting
Esther Dale
Miss Bragg
Acting
Mary Field
Miss Totten
Acting
Howland Chamberlain
Mr. Setter
Acting
Paul Langton
Joe
Acting
Sidney Blackmer
Adams
Acting
Ben Welden
Monte
Acting
Ben Chasen
Ben
Acting
Peter Virgo
Louis
Acting
Harry Babasin
Bass
Acting
Louie Bellson
Drums
Acting
Alton Hendrickson
Guitar
Acting
Laurindo Almeida
Laurindo Almeida (uncredited)
Sound
Sue George
Cigarette Girl (uncredited)
Acting
Milicent Patrick
Woman at Dorsey Club (uncredited)
Acting