Riot in Rhythm
Plot: Popeye's nephews practice their music, swinging out at the end. He puts them to bed with a perfunctory story; they say their prayers, finishing by blessing "all the nice people that come to see their pictures
Jack Mercer. Jack Mercer was 40 in Riot in Rhythm as 'Popeye / Popeye's Nephews (voice) (uncredited)'.
Seymour Kneitel. Seymour Kneitel was 42 in Riot in Rhythm as 'Director, Story'
Winston Sharples. Winston Sharples was 41 in Riot in Rhythm as 'Music'
Thomas Johnson. Thomas Johnson was 43 in Riot in Rhythm as 'Animation'