Dave Barry

Groucho Marx / Eddie Cantor / Spencer Tracy / Hugh Herbert / Ned Sparks / Joe Penner / Charles Laughton / W.C. Fields / Charlie McCarthy / Edward G. Robinson / Joe E. Brown / Oliver Hardy (voice) (uncredited)

Sara Berner

Katharine Hepburn / Martha Raye / Greta Garbo / Freddie Bartholomew (voice) (uncredited)

Clarence Nash

Donald Duck (voice) (uncredited)

Danny Webb

Fats Waller / Stepin Fetchit (voice) (uncredited)