Lester Young as Self - on Tenor Sax

George 'Red' Callender as Self - on Bass

Harry Edison as Self - on Trumpet

Marlowe Morris as Self - on Piano

Sidney Catlett as Self - on Drums

Barney Kessel as Self - on Guitar

Jo Jones as Self - on Drums

John Simmons as Self - on Bass

Illinois Jacquet as Self - on Tenor Sax

Marie Bryant as Self - Singer and Dancer

Archie Savage as Self - Dancer

Knox Manning as Narrator (voice) (uncredited)