Sweet and Low-Down

Benny Goodman

— Benny Goodman

Linda Darnell

— Trudy Wilson

Jack Oakie

— Popsy

Lynn Bari

— Pat Stirling

James Cardwell

— Johnny Birch

Allyn Joslyn

— Lester Barnes

John Campbell

— Dixie Zang

Roy Benson

— Skeets McCormick

Dickie Moore

— Military Cadet General 'Mogie' Cramichael

Terry Moore

— Snub-Nosed Girl on Dance Floor (uncredited)