Spare the Rod
Plot: Donald's nephews are always playing instead of doing their chores. Donald is going to punish them, but the "voice of child psychology" convinces him to play along instead
Clarence Nash. Clarence Nash was 49 in Spare the Rod as 'Donald Duck / Huey / Dewey / Louie (voice) (uncredited)'.
Bill Thompson. Bill Thompson was 40 in Spare the Rod as 'Narrator / Child Psychology (voice) (uncredited)'.
Pinto Colvig. Pinto Colvig was 61 in Spare the Rod as 'Pygmy Cannibals (voice) (uncredited)'.
Jack Hannah. Jack Hannah was 41 in Spare the Rod as 'Director'
Walt Disney. Walt Disney was 52 in Spare the Rod as 'Producer'
Oliver Wallace. Oliver Wallace was 66 in Spare the Rod as 'Original Music Composer'
Bill Justice. Bill Justice was 39 in Spare the Rod as 'Animation'
Bob Carlson. Bob Carlson was 47 in Spare the Rod as 'Animation'
Nick George. Nick George was 43 in Spare the Rod as 'Story'
Ray Huffine. Ray Huffine was 48 in Spare the Rod as 'Background Designer'
Volus Jones. Volus Jones was 40 in Spare the Rod as 'Animation'
Yale Gracey. Yale Gracey was 43 in Spare the Rod as 'Layout'
Dan MacManus. Dan MacManus was 53 in Spare the Rod as 'Animation'
Roy Williams. Roy Williams was 46 in Spare the Rod as 'Story'