Dave Barry

as Cary Grant / Clark Gable / Bing Crosby / Lewis Stone / Ned Sparks / Groucho Marx (voice) (uncredited)

Sara Berner

as Greta Garbo / Coat Check Girl / Henry Fonda's Mother / Dorothy Lamour (voice) (uncredited)

Mel Blanc

as Jerry Colonna / Peter Lorre (voice) (uncredited)

Kent Rogers

as Jimmy Stewart / Mickey Rooney / Henry Fonda (voice) (uncredited)