[2] Academic and comedienne Eddie Tafoya wrote that "Killer Diller is really more concerned with showcasing black talent appearing at Harlem's legendary Apollo Theater than it is with providing audiences with a satisfying story.

"[3] The movie features The Clark Brothers (tap dancers), Nat King Cole, Moms Mabley, Dusty Fletcher, Butterfly McQueen, the Andy Kirk Orchestra and the Four Congaroos (dancing the Lindy Hop).

Lastly, they impersonate the Ink Spots, though there are only two of them to recreate "If I Didn't Care," Warren duplicating the tenor lead until he intentionally becomes comical, while Al does the spoken bridge with new silly words.

[5] The acts were performed and filmed before a live, segregated audience, with African Americans seated in the balcony.

The rest of "Killer Diller" is blessed with an extraordinary cast of talented performers who went far above and beyond the limitations of their material.

[1] Author and journalist Mel Watkins noted "that Moms Mabley was so obviously disengaged in Killer Diller, since her usual routines were much too indelicate to be filmed.